Home / 13,497,737.80-20,246,606.70-12,458,475.40

Finding the Fourth Proportional to 13,497,737.80, 20,246,606.70 and 12,458,475.40

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Solution

The fourth proportional to 13,497,737.80, 20,246,606.70 and 12,458,475.40 is: 18,687,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497,737.80 : 20,246,606.70 = 12,458,475.40 : x
  2. Step 2: Convert to fraction form
    13,497,737.80/20,246,606.70 = 12,458,475.40/x
  3. Step 3: Cross multiply
    13,497,737.80x = 20,246,606.70 × 12,458,475.40
  4. Step 4: Simplify right side
    13,497,737.80x = 252,241,851,505,425.19
  5. Step 5: Solve for x
    x = 252,241,851,505,425.19/13,497,737.80
  6. Step 6: Final answer
    x = 18,687,713.10

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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.