Home / 13,488,442.38-18,614,037.34-7,293,474.27

Finding the Fourth Proportional to 13,488,442.38, 18,614,037.34 and 7,293,474.27

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Solution

The fourth proportional to 13,488,442.38, 18,614,037.34 and 7,293,474.27 is: 10,064,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,442.38 : 18,614,037.34 = 7,293,474.27 : x
  2. Step 2: Convert to fraction form
    13,488,442.38/18,614,037.34 = 7,293,474.27/x
  3. Step 3: Cross multiply
    13,488,442.38x = 18,614,037.34 × 7,293,474.27
  4. Step 4: Simplify right side
    13,488,442.38x = 135,761,002,400,109.23
  5. Step 5: Solve for x
    x = 135,761,002,400,109.23/13,488,442.38
  6. Step 6: Final answer
    x = 10,064,987.39

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1.5x scale

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.