Home / 18,714,000.60-28,071,000.90-10,651,843.80

Finding the Fourth Proportional to 18,714,000.60, 28,071,000.90 and 10,651,843.80

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Solution

The fourth proportional to 18,714,000.60, 28,071,000.90 and 10,651,843.80 is: 15,977,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,000.60 : 28,071,000.90 = 10,651,843.80 : x
  2. Step 2: Convert to fraction form
    18,714,000.60/28,071,000.90 = 10,651,843.80/x
  3. Step 3: Cross multiply
    18,714,000.60x = 28,071,000.90 × 10,651,843.80
  4. Step 4: Simplify right side
    18,714,000.60x = 299,007,916,896,459.44
  5. Step 5: Solve for x
    x = 299,007,916,896,459.44/18,714,000.60
  6. Step 6: Final answer
    x = 15,977,765.70

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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.