Home / 5,678,561.60-8,517,842.40-5,267,988.80

Finding the Fourth Proportional to 5,678,561.60, 8,517,842.40 and 5,267,988.80

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Solution

The fourth proportional to 5,678,561.60, 8,517,842.40 and 5,267,988.80 is: 7,901,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,561.60 : 8,517,842.40 = 5,267,988.80 : x
  2. Step 2: Convert to fraction form
    5,678,561.60/8,517,842.40 = 5,267,988.80/x
  3. Step 3: Cross multiply
    5,678,561.60x = 8,517,842.40 × 5,267,988.80
  4. Step 4: Simplify right side
    5,678,561.60x = 44,871,898,363,365.12
  5. Step 5: Solve for x
    x = 44,871,898,363,365.12/5,678,561.60
  6. Step 6: Final answer
    x = 7,901,983.20

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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.