Home / 9,171,991.68-12,657,257.28-5,097,523.20

Finding the Fourth Proportional to 9,171,991.68, 12,657,257.28 and 5,097,523.20

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Solution

The fourth proportional to 9,171,991.68, 12,657,257.28 and 5,097,523.20 is: 7,034,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,991.68 : 12,657,257.28 = 5,097,523.20 : x
  2. Step 2: Convert to fraction form
    9,171,991.68/12,657,257.28 = 5,097,523.20/x
  3. Step 3: Cross multiply
    9,171,991.68x = 12,657,257.28 × 5,097,523.20
  4. Step 4: Simplify right side
    9,171,991.68x = 64,520,662,633,168.90
  5. Step 5: Solve for x
    x = 64,520,662,633,168.90/9,171,991.68
  6. Step 6: Final answer
    x = 7,034,531.31

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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.