Home / 31,591,393.04-47,387,090.10-7,656,865.04

Finding the Fourth Proportional to 31,591,393.04, 47,387,090.10 and 7,656,865.04

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Solution

The fourth proportional to 31,591,393.04, 47,387,090.10 and 7,656,865.04 is: 11,485,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,393.04 : 47,387,090.10 = 7,656,865.04 : x
  2. Step 2: Convert to fraction form
    31,591,393.04/47,387,090.10 = 7,656,865.04/x
  3. Step 3: Cross multiply
    31,591,393.04x = 47,387,090.10 × 7,656,865.04
  4. Step 4: Simplify right side
    31,591,393.04x = 362,836,553,534,020.12
  5. Step 5: Solve for x
    x = 362,836,553,534,020.12/31,591,393.04
  6. Step 6: Final answer
    x = 11,485,297.69

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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.