Home / 31,947,542.70-47,921,314.05-12,792,047.10

Finding the Fourth Proportional to 31,947,542.70, 47,921,314.05 and 12,792,047.10

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Solution

The fourth proportional to 31,947,542.70, 47,921,314.05 and 12,792,047.10 is: 19,188,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947,542.70 : 47,921,314.05 = 12,792,047.10 : x
  2. Step 2: Convert to fraction form
    31,947,542.70/47,921,314.05 = 12,792,047.10/x
  3. Step 3: Cross multiply
    31,947,542.70x = 47,921,314.05 × 12,792,047.10
  4. Step 4: Simplify right side
    31,947,542.70x = 613,011,706,421,491.75
  5. Step 5: Solve for x
    x = 613,011,706,421,491.75/31,947,542.70
  6. Step 6: Final answer
    x = 19,188,070.65

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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.