Home / 31,505,616.80-47,258,425.20-10,230,480.80

Finding the Fourth Proportional to 31,505,616.80, 47,258,425.20 and 10,230,480.80

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Solution

The fourth proportional to 31,505,616.80, 47,258,425.20 and 10,230,480.80 is: 15,345,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,616.80 : 47,258,425.20 = 10,230,480.80 : x
  2. Step 2: Convert to fraction form
    31,505,616.80/47,258,425.20 = 10,230,480.80/x
  3. Step 3: Cross multiply
    31,505,616.80x = 47,258,425.20 × 10,230,480.80
  4. Step 4: Simplify right side
    31,505,616.80x = 483,476,411,646,836.25
  5. Step 5: Solve for x
    x = 483,476,411,646,836.25/31,505,616.80
  6. Step 6: Final answer
    x = 15,345,721.20

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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.