Home / 10,392,710.70-15,589,066.05-8,503,142.70

Finding the Fourth Proportional to 10,392,710.70, 15,589,066.05 and 8,503,142.70

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Solution

The fourth proportional to 10,392,710.70, 15,589,066.05 and 8,503,142.70 is: 12,754,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,710.70 : 15,589,066.05 = 8,503,142.70 : x
  2. Step 2: Convert to fraction form
    10,392,710.70/15,589,066.05 = 8,503,142.70/x
  3. Step 3: Cross multiply
    10,392,710.70x = 15,589,066.05 × 8,503,142.70
  4. Step 4: Simplify right side
    10,392,710.70x = 132,556,053,182,875.33
  5. Step 5: Solve for x
    x = 132,556,053,182,875.33/10,392,710.70
  6. Step 6: Final answer
    x = 12,754,714.05

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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.