Home / 18,981,869.40-26,194,848.12-10,279,842.84

Finding the Fourth Proportional to 18,981,869.40, 26,194,848.12 and 10,279,842.84

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Solution

The fourth proportional to 18,981,869.40, 26,194,848.12 and 10,279,842.84 is: 14,186,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,869.40 : 26,194,848.12 = 10,279,842.84 : x
  2. Step 2: Convert to fraction form
    18,981,869.40/26,194,848.12 = 10,279,842.84/x
  3. Step 3: Cross multiply
    18,981,869.40x = 26,194,848.12 × 10,279,842.84
  4. Step 4: Simplify right side
    18,981,869.40x = 269,278,921,891,269.47
  5. Step 5: Solve for x
    x = 269,278,921,891,269.47/18,981,869.40
  6. Step 6: Final answer
    x = 14,186,111.82

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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.