Home / 36,310,439.40-54,465,659.10-13,281,329.40

Finding the Fourth Proportional to 36,310,439.40, 54,465,659.10 and 13,281,329.40

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Solution

The fourth proportional to 36,310,439.40, 54,465,659.10 and 13,281,329.40 is: 19,921,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310,439.40 : 54,465,659.10 = 13,281,329.40 : x
  2. Step 2: Convert to fraction form
    36,310,439.40/54,465,659.10 = 13,281,329.40/x
  3. Step 3: Cross multiply
    36,310,439.40x = 54,465,659.10 × 13,281,329.40
  4. Step 4: Simplify right side
    36,310,439.40x = 723,376,359,495,207.62
  5. Step 5: Solve for x
    x = 723,376,359,495,207.62/36,310,439.40
  6. Step 6: Final answer
    x = 19,921,994.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.