Home / 10,866,734.10-16,300,101.15-7,855,235.10

Finding the Fourth Proportional to 10,866,734.10, 16,300,101.15 and 7,855,235.10

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Solution

The fourth proportional to 10,866,734.10, 16,300,101.15 and 7,855,235.10 is: 11,782,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,734.10 : 16,300,101.15 = 7,855,235.10 : x
  2. Step 2: Convert to fraction form
    10,866,734.10/16,300,101.15 = 7,855,235.10/x
  3. Step 3: Cross multiply
    10,866,734.10x = 16,300,101.15 × 7,855,235.10
  4. Step 4: Simplify right side
    10,866,734.10x = 128,041,126,687,030.36
  5. Step 5: Solve for x
    x = 128,041,126,687,030.36/10,866,734.10
  6. Step 6: Final answer
    x = 11,782,852.65

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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.