Home / 16,128,979.60-24,193,469.40-10,418,285.20

Finding the Fourth Proportional to 16,128,979.60, 24,193,469.40 and 10,418,285.20

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Solution

The fourth proportional to 16,128,979.60, 24,193,469.40 and 10,418,285.20 is: 15,627,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,979.60 : 24,193,469.40 = 10,418,285.20 : x
  2. Step 2: Convert to fraction form
    16,128,979.60/24,193,469.40 = 10,418,285.20/x
  3. Step 3: Cross multiply
    16,128,979.60x = 24,193,469.40 × 10,418,285.20
  4. Step 4: Simplify right side
    16,128,979.60x = 252,054,464,186,672.84
  5. Step 5: Solve for x
    x = 252,054,464,186,672.84/16,128,979.60
  6. Step 6: Final answer
    x = 15,627,427.80

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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.