Home / 25,905,913.80-38,883,753.90-13,140,832.20

Finding the Fourth Proportional to 25,905,913.80, 38,883,753.90 and 13,140,832.20

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Solution

The fourth proportional to 25,905,913.80, 38,883,753.90 and 13,140,832.20 is: 19,723,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905,913.80 : 38,883,753.90 = 13,140,832.20 : x
  2. Step 2: Convert to fraction form
    25,905,913.80/38,883,753.90 = 13,140,832.20/x
  3. Step 3: Cross multiply
    25,905,913.80x = 38,883,753.90 × 13,140,832.20
  4. Step 4: Simplify right side
    25,905,913.80x = 510,964,885,305,995.56
  5. Step 5: Solve for x
    x = 510,964,885,305,995.56/25,905,913.80
  6. Step 6: Final answer
    x = 19,723,870.36

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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.