Home / 8,990,695.40-13,486,043.10-3,600,177.80

Finding the Fourth Proportional to 8,990,695.40, 13,486,043.10 and 3,600,177.80

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Solution

The fourth proportional to 8,990,695.40, 13,486,043.10 and 3,600,177.80 is: 5,400,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,695.40 : 13,486,043.10 = 3,600,177.80 : x
  2. Step 2: Convert to fraction form
    8,990,695.40/13,486,043.10 = 3,600,177.80/x
  3. Step 3: Cross multiply
    8,990,695.40x = 13,486,043.10 × 3,600,177.80
  4. Step 4: Simplify right side
    8,990,695.40x = 48,552,152,978,463.18
  5. Step 5: Solve for x
    x = 48,552,152,978,463.18/8,990,695.40
  6. Step 6: Final answer
    x = 5,400,266.70

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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.