Home / 15,940,733.76-21,998,100.96-9,065,214.72

Finding the Fourth Proportional to 15,940,733.76, 21,998,100.96 and 9,065,214.72

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Solution

The fourth proportional to 15,940,733.76, 21,998,100.96 and 9,065,214.72 is: 12,509,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940,733.76 : 21,998,100.96 = 9,065,214.72 : x
  2. Step 2: Convert to fraction form
    15,940,733.76/21,998,100.96 = 9,065,214.72/x
  3. Step 3: Cross multiply
    15,940,733.76x = 21,998,100.96 × 9,065,214.72
  4. Step 4: Simplify right side
    15,940,733.76x = 199,417,508,634,638.16
  5. Step 5: Solve for x
    x = 199,417,508,634,638.16/15,940,733.76
  6. Step 6: Final answer
    x = 12,509,932.83

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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.