Home / 12,794,531.31-17,656,427.61-7,287,904.08

Finding the Fourth Proportional to 12,794,531.31, 17,656,427.61 and 7,287,904.08

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Solution

The fourth proportional to 12,794,531.31, 17,656,427.61 and 7,287,904.08 is: 10,057,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,531.31 : 17,656,427.61 = 7,287,904.08 : x
  2. Step 2: Convert to fraction form
    12,794,531.31/17,656,427.61 = 7,287,904.08/x
  3. Step 3: Cross multiply
    12,794,531.31x = 17,656,427.61 × 7,287,904.08
  4. Step 4: Simplify right side
    12,794,531.31x = 128,678,350,817,143.64
  5. Step 5: Solve for x
    x = 128,678,350,817,143.64/12,794,531.31
  6. Step 6: Final answer
    x = 10,057,293.05

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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.