Home / 8,304,728.80-12,457,093.20-5,159,000.80

Finding the Fourth Proportional to 8,304,728.80, 12,457,093.20 and 5,159,000.80

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Solution

The fourth proportional to 8,304,728.80, 12,457,093.20 and 5,159,000.80 is: 7,738,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,728.80 : 12,457,093.20 = 5,159,000.80 : x
  2. Step 2: Convert to fraction form
    8,304,728.80/12,457,093.20 = 5,159,000.80/x
  3. Step 3: Cross multiply
    8,304,728.80x = 12,457,093.20 × 5,159,000.80
  4. Step 4: Simplify right side
    8,304,728.80x = 64,266,153,784,474.55
  5. Step 5: Solve for x
    x = 64,266,153,784,474.55/8,304,728.80
  6. Step 6: Final answer
    x = 7,738,501.20

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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.