Home / 31,942,411.92-47,921,681.34-8,913,327.12

Finding the Fourth Proportional to 31,942,411.92, 47,921,681.34 and 8,913,327.12

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Solution

The fourth proportional to 31,942,411.92, 47,921,681.34 and 8,913,327.12 is: 13,372,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942,411.92 : 47,921,681.34 = 8,913,327.12 : x
  2. Step 2: Convert to fraction form
    31,942,411.92/47,921,681.34 = 8,913,327.12/x
  3. Step 3: Cross multiply
    31,942,411.92x = 47,921,681.34 × 8,913,327.12
  4. Step 4: Simplify right side
    31,942,411.92x = 427,141,621,923,819.94
  5. Step 5: Solve for x
    x = 427,141,621,923,819.94/31,942,411.92
  6. Step 6: Final answer
    x = 13,372,240.74

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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.