Home / 9,312,416.50-12,850,871.38-5,182,381.75

Finding the Fourth Proportional to 9,312,416.50, 12,850,871.38 and 5,182,381.75

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Solution

The fourth proportional to 9,312,416.50, 12,850,871.38 and 5,182,381.75 is: 7,151,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312,416.50 : 12,850,871.38 = 5,182,381.75 : x
  2. Step 2: Convert to fraction form
    9,312,416.50/12,850,871.38 = 5,182,381.75/x
  3. Step 3: Cross multiply
    9,312,416.50x = 12,850,871.38 × 5,182,381.75
  4. Step 4: Simplify right side
    9,312,416.50x = 66,598,121,311,309.32
  5. Step 5: Solve for x
    x = 66,598,121,311,309.32/9,312,416.50
  6. Step 6: Final answer
    x = 7,151,540.24

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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.