Home / 28,092,909.33-38,771,362.13-15,870,553.65

Finding the Fourth Proportional to 28,092,909.33, 38,771,362.13 and 15,870,553.65

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Solution

The fourth proportional to 28,092,909.33, 38,771,362.13 and 15,870,553.65 is: 21,903,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,909.33 : 38,771,362.13 = 15,870,553.65 : x
  2. Step 2: Convert to fraction form
    28,092,909.33/38,771,362.13 = 15,870,553.65/x
  3. Step 3: Cross multiply
    28,092,909.33x = 38,771,362.13 × 15,870,553.65
  4. Step 4: Simplify right side
    28,092,909.33x = 615,322,982,688,390.50
  5. Step 5: Solve for x
    x = 615,322,982,688,390.50/28,092,909.33
  6. Step 6: Final answer
    x = 21,903,142.02

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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.