Home / 13,487,215.08-18,612,319.17-7,292,218.44

Finding the Fourth Proportional to 13,487,215.08, 18,612,319.17 and 7,292,218.44

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Solution

The fourth proportional to 13,487,215.08, 18,612,319.17 and 7,292,218.44 is: 10,063,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,215.08 : 18,612,319.17 = 7,292,218.44 : x
  2. Step 2: Convert to fraction form
    13,487,215.08/18,612,319.17 = 7,292,218.44/x
  3. Step 3: Cross multiply
    13,487,215.08x = 18,612,319.17 × 7,292,218.44
  4. Step 4: Simplify right side
    13,487,215.08x = 135,725,097,062,639.52
  5. Step 5: Solve for x
    x = 135,725,097,062,639.52/13,487,215.08
  6. Step 6: Final answer
    x = 10,063,241.10

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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.