Home / 10,981,873.90-15,154,959.78-6,020,306.50

Finding the Fourth Proportional to 10,981,873.90, 15,154,959.78 and 6,020,306.50

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Solution

The fourth proportional to 10,981,873.90, 15,154,959.78 and 6,020,306.50 is: 8,308,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,873.90 : 15,154,959.78 = 6,020,306.50 : x
  2. Step 2: Convert to fraction form
    10,981,873.90/15,154,959.78 = 6,020,306.50/x
  3. Step 3: Cross multiply
    10,981,873.90x = 15,154,959.78 × 6,020,306.50
  4. Step 4: Simplify right side
    10,981,873.90x = 91,237,502,870,772.56
  5. Step 5: Solve for x
    x = 91,237,502,870,772.56/10,981,873.90
  6. Step 6: Final answer
    x = 8,308,008.61

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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.