Home / 20,943,462.80-31,415,194.20-20,589,168.80

Finding the Fourth Proportional to 20,943,462.80, 31,415,194.20 and 20,589,168.80

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Solution

The fourth proportional to 20,943,462.80, 31,415,194.20 and 20,589,168.80 is: 30,883,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943,462.80 : 31,415,194.20 = 20,589,168.80 : x
  2. Step 2: Convert to fraction form
    20,943,462.80/31,415,194.20 = 20,589,168.80/x
  3. Step 3: Cross multiply
    20,943,462.80x = 31,415,194.20 × 20,589,168.80
  4. Step 4: Simplify right side
    20,943,462.80x = 646,812,736,268,581
  5. Step 5: Solve for x
    x = 646,812,736,268,581/20,943,462.80
  6. Step 6: Final answer
    x = 30,883,753.20

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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.