Home / 10,314,533.80-15,471,800.70-8,519,444.20

Finding the Fourth Proportional to 10,314,533.80, 15,471,800.70 and 8,519,444.20

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Solution

The fourth proportional to 10,314,533.80, 15,471,800.70 and 8,519,444.20 is: 12,779,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314,533.80 : 15,471,800.70 = 8,519,444.20 : x
  2. Step 2: Convert to fraction form
    10,314,533.80/15,471,800.70 = 8,519,444.20/x
  3. Step 3: Cross multiply
    10,314,533.80x = 15,471,800.70 × 8,519,444.20
  4. Step 4: Simplify right side
    10,314,533.80x = 131,811,142,737,170.92
  5. Step 5: Solve for x
    x = 131,811,142,737,170.92/10,314,533.80
  6. Step 6: Final answer
    x = 12,779,166.30

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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.