Home / 31,482,428.64-43,440,957.36-17,730,520.80

Finding the Fourth Proportional to 31,482,428.64, 43,440,957.36 and 17,730,520.80

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Solution

The fourth proportional to 31,482,428.64, 43,440,957.36 and 17,730,520.80 is: 24,465,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482,428.64 : 43,440,957.36 = 17,730,520.80 : x
  2. Step 2: Convert to fraction form
    31,482,428.64/43,440,957.36 = 17,730,520.80/x
  3. Step 3: Cross multiply
    31,482,428.64x = 43,440,957.36 × 17,730,520.80
  4. Step 4: Simplify right side
    31,482,428.64x = 770,230,798,043,393.12
  5. Step 5: Solve for x
    x = 770,230,798,043,393.12/31,482,428.64
  6. Step 6: Final answer
    x = 24,465,418.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.