Home / 31,657,022.92-43,652,000.11-20,623,311.33

Finding the Fourth Proportional to 31,657,022.92, 43,652,000.11 and 20,623,311.33

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Solution

The fourth proportional to 31,657,022.92, 43,652,000.11 and 20,623,311.33 is: 28,437,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657,022.92 : 43,652,000.11 = 20,623,311.33 : x
  2. Step 2: Convert to fraction form
    31,657,022.92/43,652,000.11 = 20,623,311.33/x
  3. Step 3: Cross multiply
    31,657,022.92x = 43,652,000.11 × 20,623,311.33
  4. Step 4: Simplify right side
    31,657,022.92x = 900,248,788,445,724.12
  5. Step 5: Solve for x
    x = 900,248,788,445,724.12/31,657,022.92
  6. Step 6: Final answer
    x = 28,437,569.47

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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.