Home / 15,057,372.90-20,779,299.16-8,181,854.97

Finding the Fourth Proportional to 15,057,372.90, 20,779,299.16 and 8,181,854.97

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Solution

The fourth proportional to 15,057,372.90, 20,779,299.16 and 8,181,854.97 is: 11,291,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,372.90 : 20,779,299.16 = 8,181,854.97 : x
  2. Step 2: Convert to fraction form
    15,057,372.90/20,779,299.16 = 8,181,854.97/x
  3. Step 3: Cross multiply
    15,057,372.90x = 20,779,299.16 × 8,181,854.97
  4. Step 4: Simplify right side
    15,057,372.90x = 170,013,212,006,985.81
  5. Step 5: Solve for x
    x = 170,013,212,006,985.81/15,057,372.90
  6. Step 6: Final answer
    x = 11,291,027.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.