Home / 15,041,185.20-20,756,724.12-8,165,490.48

Finding the Fourth Proportional to 15,041,185.20, 20,756,724.12 and 8,165,490.48

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Solution

The fourth proportional to 15,041,185.20, 20,756,724.12 and 8,165,490.48 is: 11,268,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041,185.20 : 20,756,724.12 = 8,165,490.48 : x
  2. Step 2: Convert to fraction form
    15,041,185.20/20,756,724.12 = 8,165,490.48/x
  3. Step 3: Cross multiply
    15,041,185.20x = 20,756,724.12 × 8,165,490.48
  4. Step 4: Simplify right side
    15,041,185.20x = 169,488,833,197,846.41
  5. Step 5: Solve for x
    x = 169,488,833,197,846.41/15,041,185.20
  6. Step 6: Final answer
    x = 11,268,316.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.