Home / 12,539,436.54-17,304,612.03-7,034,031.78

Finding the Fourth Proportional to 12,539,436.54, 17,304,612.03 and 7,034,031.78

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Solution

The fourth proportional to 12,539,436.54, 17,304,612.03 and 7,034,031.78 is: 9,707,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,436.54 : 17,304,612.03 = 7,034,031.78 : x
  2. Step 2: Convert to fraction form
    12,539,436.54/17,304,612.03 = 7,034,031.78/x
  3. Step 3: Cross multiply
    12,539,436.54x = 17,304,612.03 × 7,034,031.78
  4. Step 4: Simplify right side
    12,539,436.54x = 121,721,190,959,590.33
  5. Step 5: Solve for x
    x = 121,721,190,959,590.33/12,539,436.54
  6. Step 6: Final answer
    x = 9,707,070.22

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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.