Home / 8,190,813.40-12,286,220.10-3,641,853.40

Finding the Fourth Proportional to 8,190,813.40, 12,286,220.10 and 3,641,853.40

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Solution

The fourth proportional to 8,190,813.40, 12,286,220.10 and 3,641,853.40 is: 5,462,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,813.40 : 12,286,220.10 = 3,641,853.40 : x
  2. Step 2: Convert to fraction form
    8,190,813.40/12,286,220.10 = 3,641,853.40/x
  3. Step 3: Cross multiply
    8,190,813.40x = 12,286,220.10 × 3,641,853.40
  4. Step 4: Simplify right side
    8,190,813.40x = 44,744,612,444,333.34
  5. Step 5: Solve for x
    x = 44,744,612,444,333.34/8,190,813.40
  6. Step 6: Final answer
    x = 5,462,780.10

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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.