Home / 12,458,117.40-18,687,176.10-8,153,445.30

Finding the Fourth Proportional to 12,458,117.40, 18,687,176.10 and 8,153,445.30

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Solution

The fourth proportional to 12,458,117.40, 18,687,176.10 and 8,153,445.30 is: 12,230,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,117.40 : 18,687,176.10 = 8,153,445.30 : x
  2. Step 2: Convert to fraction form
    12,458,117.40/18,687,176.10 = 8,153,445.30/x
  3. Step 3: Cross multiply
    12,458,117.40x = 18,687,176.10 × 8,153,445.30
  4. Step 4: Simplify right side
    12,458,117.40x = 152,364,868,142,817.34
  5. Step 5: Solve for x
    x = 152,364,868,142,817.34/12,458,117.40
  6. Step 6: Final answer
    x = 12,230,167.95

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Double scale
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Similar ratio
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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.