Home / 12,712,464-17,543,200.32-6,989,328

Finding the Fourth Proportional to 12,712,464, 17,543,200.32 and 6,989,328

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Solution

The fourth proportional to 12,712,464, 17,543,200.32 and 6,989,328 is: 9,645,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712,464 : 17,543,200.32 = 6,989,328 : x
  2. Step 2: Convert to fraction form
    12,712,464/17,543,200.32 = 6,989,328/x
  3. Step 3: Cross multiply
    12,712,464x = 17,543,200.32 × 6,989,328
  4. Step 4: Simplify right side
    12,712,464x = 122,615,181,206,184.97
  5. Step 5: Solve for x
    x = 122,615,181,206,184.97/12,712,464
  6. Step 6: Final answer
    x = 9,645,272.64

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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.