Home / 15,997,959.99-22,070,902.91-9,291,150.86

Finding the Fourth Proportional to 15,997,959.99, 22,070,902.91 and 9,291,150.86

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Solution

The fourth proportional to 15,997,959.99, 22,070,902.91 and 9,291,150.86 is: 12,818,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997,959.99 : 22,070,902.91 = 9,291,150.86 : x
  2. Step 2: Convert to fraction form
    15,997,959.99/22,070,902.91 = 9,291,150.86/x
  3. Step 3: Cross multiply
    15,997,959.99x = 22,070,902.91 × 9,291,150.86
  4. Step 4: Simplify right side
    15,997,959.99x = 205,064,088,396,412.75
  5. Step 5: Solve for x
    x = 205,064,088,396,412.75/15,997,959.99
  6. Step 6: Final answer
    x = 12,818,139.85

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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.