Home / 42,251,157.80-63,376,736.70-13,498,231.40

Finding the Fourth Proportional to 42,251,157.80, 63,376,736.70 and 13,498,231.40

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Solution

The fourth proportional to 42,251,157.80, 63,376,736.70 and 13,498,231.40 is: 20,247,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,251,157.80 : 63,376,736.70 = 13,498,231.40 : x
  2. Step 2: Convert to fraction form
    42,251,157.80/63,376,736.70 = 13,498,231.40/x
  3. Step 3: Cross multiply
    42,251,157.80x = 63,376,736.70 × 13,498,231.40
  4. Step 4: Simplify right side
    42,251,157.80x = 855,473,857,353,472.50
  5. Step 5: Solve for x
    x = 855,473,857,353,472.50/42,251,157.80
  6. Step 6: Final answer
    x = 20,247,347.10

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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.