Home / 31,504,862.64-47,265,264.20-8,785,762.16

Finding the Fourth Proportional to 31,504,862.64, 47,265,264.20 and 8,785,762.16

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Solution

The fourth proportional to 31,504,862.64, 47,265,264.20 and 8,785,762.16 is: 13,180,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,862.64 : 47,265,264.20 = 8,785,762.16 : x
  2. Step 2: Convert to fraction form
    31,504,862.64/47,265,264.20 = 8,785,762.16/x
  3. Step 3: Cross multiply
    31,504,862.64x = 47,265,264.20 × 8,785,762.16
  4. Step 4: Simplify right side
    31,504,862.64x = 415,261,369,690,762.69
  5. Step 5: Solve for x
    x = 415,261,369,690,762.69/31,504,862.64
  6. Step 6: Final answer
    x = 13,180,865.90

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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.