Home / 12,474,312.30-18,711,468.45-4,387,223.70

Finding the Fourth Proportional to 12,474,312.30, 18,711,468.45 and 4,387,223.70

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Solution

The fourth proportional to 12,474,312.30, 18,711,468.45 and 4,387,223.70 is: 6,580,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,312.30 : 18,711,468.45 = 4,387,223.70 : x
  2. Step 2: Convert to fraction form
    12,474,312.30/18,711,468.45 = 4,387,223.70/x
  3. Step 3: Cross multiply
    12,474,312.30x = 18,711,468.45 × 4,387,223.70
  4. Step 4: Simplify right side
    12,474,312.30x = 82,091,397,845,642.27
  5. Step 5: Solve for x
    x = 82,091,397,845,642.27/12,474,312.30
  6. Step 6: Final answer
    x = 6,580,835.55

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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.