Home / 28,391,333.42-42,569,974.76-13,019,366.13

Finding the Fourth Proportional to 28,391,333.42, 42,569,974.76 and 13,019,366.13

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Solution

The fourth proportional to 28,391,333.42, 42,569,974.76 and 13,019,366.13 is: 19,521,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,333.42 : 42,569,974.76 = 13,019,366.13 : x
  2. Step 2: Convert to fraction form
    28,391,333.42/42,569,974.76 = 13,019,366.13/x
  3. Step 3: Cross multiply
    28,391,333.42x = 42,569,974.76 × 13,019,366.13
  4. Step 4: Simplify right side
    28,391,333.42x = 554,234,087,320,564.69
  5. Step 5: Solve for x
    x = 554,234,087,320,564.69/28,391,333.42
  6. Step 6: Final answer
    x = 19,521,241.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.