Home / 10,866,803.40-16,300,205.10-8,156,454.30

Finding the Fourth Proportional to 10,866,803.40, 16,300,205.10 and 8,156,454.30

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Solution

The fourth proportional to 10,866,803.40, 16,300,205.10 and 8,156,454.30 is: 12,234,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,803.40 : 16,300,205.10 = 8,156,454.30 : x
  2. Step 2: Convert to fraction form
    10,866,803.40/16,300,205.10 = 8,156,454.30/x
  3. Step 3: Cross multiply
    10,866,803.40x = 16,300,205.10 × 8,156,454.30
  4. Step 4: Simplify right side
    10,866,803.40x = 132,951,877,978,776.92
  5. Step 5: Solve for x
    x = 132,951,877,978,776.92/10,866,803.40
  6. Step 6: Final answer
    x = 12,234,681.45

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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.