Home / 18,211,529.40-27,317,294.10-9,708,473.40

Finding the Fourth Proportional to 18,211,529.40, 27,317,294.10 and 9,708,473.40

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Solution

The fourth proportional to 18,211,529.40, 27,317,294.10 and 9,708,473.40 is: 14,562,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,529.40 : 27,317,294.10 = 9,708,473.40 : x
  2. Step 2: Convert to fraction form
    18,211,529.40/27,317,294.10 = 9,708,473.40/x
  3. Step 3: Cross multiply
    18,211,529.40x = 27,317,294.10 × 9,708,473.40
  4. Step 4: Simplify right side
    18,211,529.40x = 265,209,223,129,826.97
  5. Step 5: Solve for x
    x = 265,209,223,129,826.97/18,211,529.40
  6. Step 6: Final answer
    x = 14,562,710.10

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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.