Home / 13,575,037.32-18,730,865.52-7,614,636.12

Finding the Fourth Proportional to 13,575,037.32, 18,730,865.52 and 7,614,636.12

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Solution

The fourth proportional to 13,575,037.32, 18,730,865.52 and 7,614,636.12 is: 10,506,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,037.32 : 18,730,865.52 = 7,614,636.12 : x
  2. Step 2: Convert to fraction form
    13,575,037.32/18,730,865.52 = 7,614,636.12/x
  3. Step 3: Cross multiply
    13,575,037.32x = 18,730,865.52 × 7,614,636.12
  4. Step 4: Simplify right side
    13,575,037.32x = 142,628,725,147,454.59
  5. Step 5: Solve for x
    x = 142,628,725,147,454.59/13,575,037.32
  6. Step 6: Final answer
    x = 10,506,691.20

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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.