Home / 28,092,910.33-38,771,363.51-15,870,554.65

Finding the Fourth Proportional to 28,092,910.33, 38,771,363.51 and 15,870,554.65

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Solution

The fourth proportional to 28,092,910.33, 38,771,363.51 and 15,870,554.65 is: 21,903,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,910.33 : 38,771,363.51 = 15,870,554.65 : x
  2. Step 2: Convert to fraction form
    28,092,910.33/38,771,363.51 = 15,870,554.65/x
  3. Step 3: Cross multiply
    28,092,910.33x = 38,771,363.51 × 15,870,554.65
  4. Step 4: Simplify right side
    28,092,910.33x = 615,323,043,440,470.75
  5. Step 5: Solve for x
    x = 615,323,043,440,470.75/28,092,910.33
  6. Step 6: Final answer
    x = 21,903,143.40

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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.