Home / 22,504,677.76-31,056,424.68-12,191,442.40

Finding the Fourth Proportional to 22,504,677.76, 31,056,424.68 and 12,191,442.40

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Solution

The fourth proportional to 22,504,677.76, 31,056,424.68 and 12,191,442.40 is: 16,824,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504,677.76 : 31,056,424.68 = 12,191,442.40 : x
  2. Step 2: Convert to fraction form
    22,504,677.76/31,056,424.68 = 12,191,442.40/x
  3. Step 3: Cross multiply
    22,504,677.76x = 31,056,424.68 × 12,191,442.40
  4. Step 4: Simplify right side
    22,504,677.76x = 378,622,612,636,158.44
  5. Step 5: Solve for x
    x = 378,622,612,636,158.44/22,504,677.76
  6. Step 6: Final answer
    x = 16,824,173.92

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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.