Home / 10,572,455.70-15,858,683.55-6,515,789.40

Finding the Fourth Proportional to 10,572,455.70, 15,858,683.55 and 6,515,789.40

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Solution

The fourth proportional to 10,572,455.70, 15,858,683.55 and 6,515,789.40 is: 9,773,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,455.70 : 15,858,683.55 = 6,515,789.40 : x
  2. Step 2: Convert to fraction form
    10,572,455.70/15,858,683.55 = 6,515,789.40/x
  3. Step 3: Cross multiply
    10,572,455.70x = 15,858,683.55 × 6,515,789.40
  4. Step 4: Simplify right side
    10,572,455.70x = 103,331,842,173,044.38
  5. Step 5: Solve for x
    x = 103,331,842,173,044.38/10,572,455.70
  6. Step 6: Final answer
    x = 9,773,684.10

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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.