Home / 15,171,812.80-22,757,719.20-14,919,870.40

Finding the Fourth Proportional to 15,171,812.80, 22,757,719.20 and 14,919,870.40

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Solution

The fourth proportional to 15,171,812.80, 22,757,719.20 and 14,919,870.40 is: 22,379,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,812.80 : 22,757,719.20 = 14,919,870.40 : x
  2. Step 2: Convert to fraction form
    15,171,812.80/22,757,719.20 = 14,919,870.40/x
  3. Step 3: Cross multiply
    15,171,812.80x = 22,757,719.20 × 14,919,870.40
  4. Step 4: Simplify right side
    15,171,812.80x = 339,542,221,063,591.69
  5. Step 5: Solve for x
    x = 339,542,221,063,591.69/15,171,812.80
  6. Step 6: Final answer
    x = 22,379,805.60

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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.