Home / 31,947,007.37-47,942,073.05-12,513,822.83

Finding the Fourth Proportional to 31,947,007.37, 47,942,073.05 and 12,513,822.83

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Solution

The fourth proportional to 31,947,007.37, 47,942,073.05 and 12,513,822.83 is: 18,779,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947,007.37 : 47,942,073.05 = 12,513,822.83 : x
  2. Step 2: Convert to fraction form
    31,947,007.37/47,942,073.05 = 12,513,822.83/x
  3. Step 3: Cross multiply
    31,947,007.37x = 47,942,073.05 × 12,513,822.83
  4. Step 4: Simplify right side
    31,947,007.37x = 599,938,608,250,617.75
  5. Step 5: Solve for x
    x = 599,938,608,250,617.75/31,947,007.37
  6. Step 6: Final answer
    x = 18,779,180.20

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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.