Home / 18,335,487.60-27,503,231.40-5,554,331.55

Finding the Fourth Proportional to 18,335,487.60, 27,503,231.40 and 5,554,331.55

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Solution

The fourth proportional to 18,335,487.60, 27,503,231.40 and 5,554,331.55 is: 8,331,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335,487.60 : 27,503,231.40 = 5,554,331.55 : x
  2. Step 2: Convert to fraction form
    18,335,487.60/27,503,231.40 = 5,554,331.55/x
  3. Step 3: Cross multiply
    18,335,487.60x = 27,503,231.40 × 5,554,331.55
  4. Step 4: Simplify right side
    18,335,487.60x = 152,762,065,891,970.66
  5. Step 5: Solve for x
    x = 152,762,065,891,970.66/18,335,487.60
  6. Step 6: Final answer
    x = 8,331,497.33

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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.