Home / 25,315,321.42-34,935,311.31-13,712,884.90

Finding the Fourth Proportional to 25,315,321.42, 34,935,311.31 and 13,712,884.90

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Solution

The fourth proportional to 25,315,321.42, 34,935,311.31 and 13,712,884.90 is: 18,923,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315,321.42 : 34,935,311.31 = 13,712,884.90 : x
  2. Step 2: Convert to fraction form
    25,315,321.42/34,935,311.31 = 13,712,884.90/x
  3. Step 3: Cross multiply
    25,315,321.42x = 34,935,311.31 × 13,712,884.90
  4. Step 4: Simplify right side
    25,315,321.42x = 479,063,902,696,457.19
  5. Step 5: Solve for x
    x = 479,063,902,696,457.19/25,315,321.42
  6. Step 6: Final answer
    x = 18,923,872.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.