Home / 22,551,770.62-31,121,671.72-12,238,582.78

Finding the Fourth Proportional to 22,551,770.62, 31,121,671.72 and 12,238,582.78

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Solution

The fourth proportional to 22,551,770.62, 31,121,671.72 and 12,238,582.78 is: 16,889,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551,770.62 : 31,121,671.72 = 12,238,582.78 : x
  2. Step 2: Convert to fraction form
    22,551,770.62/31,121,671.72 = 12,238,582.78/x
  3. Step 3: Cross multiply
    22,551,770.62x = 31,121,671.72 × 12,238,582.78
  4. Step 4: Simplify right side
    22,551,770.62x = 380,885,155,441,596.62
  5. Step 5: Solve for x
    x = 380,885,155,441,596.62/22,551,770.62
  6. Step 6: Final answer
    x = 16,889,368.11

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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.