Home / 15,305,373.45-21,123,814.17-9,026,590.88

Finding the Fourth Proportional to 15,305,373.45, 21,123,814.17 and 9,026,590.88

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Solution

The fourth proportional to 15,305,373.45, 21,123,814.17 and 9,026,590.88 is: 12,458,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305,373.45 : 21,123,814.17 = 9,026,590.88 : x
  2. Step 2: Convert to fraction form
    15,305,373.45/21,123,814.17 = 9,026,590.88/x
  3. Step 3: Cross multiply
    15,305,373.45x = 21,123,814.17 × 9,026,590.88
  4. Step 4: Simplify right side
    15,305,373.45x = 190,676,028,331,234.22
  5. Step 5: Solve for x
    x = 190,676,028,331,234.22/15,305,373.45
  6. Step 6: Final answer
    x = 12,458,110.15

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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.