Home / 28,331,703.40-42,508,052.70-11,304,596.20

Finding the Fourth Proportional to 28,331,703.40, 42,508,052.70 and 11,304,596.20

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Solution

The fourth proportional to 28,331,703.40, 42,508,052.70 and 11,304,596.20 is: 16,961,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,703.40 : 42,508,052.70 = 11,304,596.20 : x
  2. Step 2: Convert to fraction form
    28,331,703.40/42,508,052.70 = 11,304,596.20/x
  3. Step 3: Cross multiply
    28,331,703.40x = 42,508,052.70 × 11,304,596.20
  4. Step 4: Simplify right side
    28,331,703.40x = 480,536,371,021,819.75
  5. Step 5: Solve for x
    x = 480,536,371,021,819.75/28,331,703.40
  6. Step 6: Final answer
    x = 16,961,082.93

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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.