Home / 8,479,082.40-12,724,066.80-4,695,280.80

Finding the Fourth Proportional to 8,479,082.40, 12,724,066.80 and 4,695,280.80

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Solution

The fourth proportional to 8,479,082.40, 12,724,066.80 and 4,695,280.80 is: 7,045,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,082.40 : 12,724,066.80 = 4,695,280.80 : x
  2. Step 2: Convert to fraction form
    8,479,082.40/12,724,066.80 = 4,695,280.80/x
  3. Step 3: Cross multiply
    8,479,082.40x = 12,724,066.80 × 4,695,280.80
  4. Step 4: Simplify right side
    8,479,082.40x = 59,743,066,543,957.44
  5. Step 5: Solve for x
    x = 59,743,066,543,957.44/8,479,082.40
  6. Step 6: Final answer
    x = 7,045,935.36

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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.