Home / 12,143,848.50-16,758,286.29-6,711,223.86

Finding the Fourth Proportional to 12,143,848.50, 16,758,286.29 and 6,711,223.86

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Solution

The fourth proportional to 12,143,848.50, 16,758,286.29 and 6,711,223.86 is: 9,261,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,848.50 : 16,758,286.29 = 6,711,223.86 : x
  2. Step 2: Convert to fraction form
    12,143,848.50/16,758,286.29 = 6,711,223.86/x
  3. Step 3: Cross multiply
    12,143,848.50x = 16,758,286.29 × 6,711,223.86
  4. Step 4: Simplify right side
    12,143,848.50x = 112,468,610,802,158.88
  5. Step 5: Solve for x
    x = 112,468,610,802,158.88/12,143,848.50
  6. Step 6: Final answer
    x = 9,261,364.78

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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.