Home / 15,926,424.09-21,978,426.11-9,050,897.85

Finding the Fourth Proportional to 15,926,424.09, 21,978,426.11 and 9,050,897.85

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Solution

The fourth proportional to 15,926,424.09, 21,978,426.11 and 9,050,897.85 is: 12,490,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926,424.09 : 21,978,426.11 = 9,050,897.85 : x
  2. Step 2: Convert to fraction form
    15,926,424.09/21,978,426.11 = 9,050,897.85/x
  3. Step 3: Cross multiply
    15,926,424.09x = 21,978,426.11 × 9,050,897.85
  4. Step 4: Simplify right side
    15,926,424.09x = 198,924,489,580,128.38
  5. Step 5: Solve for x
    x = 198,924,489,580,128.38/15,926,424.09
  6. Step 6: Final answer
    x = 12,490,216.79

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1.5x scale

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.