Home / 28,392,816.70-42,589,225.05-13,248,279.10

Finding the Fourth Proportional to 28,392,816.70, 42,589,225.05 and 13,248,279.10

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Solution

The fourth proportional to 28,392,816.70, 42,589,225.05 and 13,248,279.10 is: 19,872,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,816.70 : 42,589,225.05 = 13,248,279.10 : x
  2. Step 2: Convert to fraction form
    28,392,816.70/42,589,225.05 = 13,248,279.10/x
  3. Step 3: Cross multiply
    28,392,816.70x = 42,589,225.05 × 13,248,279.10
  4. Step 4: Simplify right side
    28,392,816.70x = 564,233,940,115,111.38
  5. Step 5: Solve for x
    x = 564,233,940,115,111.38/28,392,816.70
  6. Step 6: Final answer
    x = 19,872,418.65

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Similar ratio
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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.