Home / 31,972,752.54-47,938,508.96-12,543,942.10

Finding the Fourth Proportional to 31,972,752.54, 47,938,508.96 and 12,543,942.10

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Solution

The fourth proportional to 31,972,752.54, 47,938,508.96 and 12,543,942.10 is: 18,807,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972,752.54 : 47,938,508.96 = 12,543,942.10 : x
  2. Step 2: Convert to fraction form
    31,972,752.54/47,938,508.96 = 12,543,942.10/x
  3. Step 3: Cross multiply
    31,972,752.54x = 47,938,508.96 × 12,543,942.10
  4. Step 4: Simplify right side
    31,972,752.54x = 601,337,880,666,084.75
  5. Step 5: Solve for x
    x = 601,337,880,666,084.75/31,972,752.54
  6. Step 6: Final answer
    x = 18,807,823.32

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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.