Home / 12,103,467.30-18,155,200.95-4,427,097.30

Finding the Fourth Proportional to 12,103,467.30, 18,155,200.95 and 4,427,097.30

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Solution

The fourth proportional to 12,103,467.30, 18,155,200.95 and 4,427,097.30 is: 6,640,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,467.30 : 18,155,200.95 = 4,427,097.30 : x
  2. Step 2: Convert to fraction form
    12,103,467.30/18,155,200.95 = 4,427,097.30/x
  3. Step 3: Cross multiply
    12,103,467.30x = 18,155,200.95 × 4,427,097.30
  4. Step 4: Simplify right side
    12,103,467.30x = 80,374,841,106,702.42
  5. Step 5: Solve for x
    x = 80,374,841,106,702.42/12,103,467.30
  6. Step 6: Final answer
    x = 6,640,645.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.