Home / 28,092,793.30-38,771,201.01-15,870,437.62

Finding the Fourth Proportional to 28,092,793.30, 38,771,201.01 and 15,870,437.62

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Solution

The fourth proportional to 28,092,793.30, 38,771,201.01 and 15,870,437.62 is: 21,902,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,793.30 : 38,771,201.01 = 15,870,437.62 : x
  2. Step 2: Convert to fraction form
    28,092,793.30/38,771,201.01 = 15,870,437.62/x
  3. Step 3: Cross multiply
    28,092,793.30x = 38,771,201.01 × 15,870,437.62
  4. Step 4: Simplify right side
    28,092,793.30x = 615,315,927,081,685.88
  5. Step 5: Solve for x
    x = 615,315,927,081,685.88/28,092,793.30
  6. Step 6: Final answer
    x = 21,902,981.33

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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.