Home / 12,452,748.40-18,679,122.60-10,326,984.40

Finding the Fourth Proportional to 12,452,748.40, 18,679,122.60 and 10,326,984.40

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Solution

The fourth proportional to 12,452,748.40, 18,679,122.60 and 10,326,984.40 is: 15,490,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,748.40 : 18,679,122.60 = 10,326,984.40 : x
  2. Step 2: Convert to fraction form
    12,452,748.40/18,679,122.60 = 10,326,984.40/x
  3. Step 3: Cross multiply
    12,452,748.40x = 18,679,122.60 × 10,326,984.40
  4. Step 4: Simplify right side
    12,452,748.40x = 192,899,007,695,887.47
  5. Step 5: Solve for x
    x = 192,899,007,695,887.47/12,452,748.40
  6. Step 6: Final answer
    x = 15,490,476.60

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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.