Home / 12,785,752.88-17,644,117.56-6,984,385.52

Finding the Fourth Proportional to 12,785,752.88, 17,644,117.56 and 6,984,385.52

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Solution

The fourth proportional to 12,785,752.88, 17,644,117.56 and 6,984,385.52 is: 9,638,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,752.88 : 17,644,117.56 = 6,984,385.52 : x
  2. Step 2: Convert to fraction form
    12,785,752.88/17,644,117.56 = 6,984,385.52/x
  3. Step 3: Cross multiply
    12,785,752.88x = 17,644,117.56 × 6,984,385.52
  4. Step 4: Simplify right side
    12,785,752.88x = 123,233,319,199,241.72
  5. Step 5: Solve for x
    x = 123,233,319,199,241.72/12,785,752.88
  6. Step 6: Final answer
    x = 9,638,331.07

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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.