Home / 15,196,526.83-20,970,997.63-8,321,008.89

Finding the Fourth Proportional to 15,196,526.83, 20,970,997.63 and 8,321,008.89

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Solution

The fourth proportional to 15,196,526.83, 20,970,997.63 and 8,321,008.89 is: 11,482,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,526.83 : 20,970,997.63 = 8,321,008.89 : x
  2. Step 2: Convert to fraction form
    15,196,526.83/20,970,997.63 = 8,321,008.89/x
  3. Step 3: Cross multiply
    15,196,526.83x = 20,970,997.63 × 8,321,008.89
  4. Step 4: Simplify right side
    15,196,526.83x = 174,499,857,711,398.91
  5. Step 5: Solve for x
    x = 174,499,857,711,398.91/15,196,526.83
  6. Step 6: Final answer
    x = 11,482,877.61

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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.