Home / 9,328,512.47-12,873,359.57-5,198,453.01

Finding the Fourth Proportional to 9,328,512.47, 12,873,359.57 and 5,198,453.01

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Solution

The fourth proportional to 9,328,512.47, 12,873,359.57 and 5,198,453.01 is: 7,173,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,512.47 : 12,873,359.57 = 5,198,453.01 : x
  2. Step 2: Convert to fraction form
    9,328,512.47/12,873,359.57 = 5,198,453.01/x
  3. Step 3: Cross multiply
    9,328,512.47x = 12,873,359.57 × 5,198,453.01
  4. Step 4: Simplify right side
    9,328,512.47x = 66,921,554,779,486.53
  5. Step 5: Solve for x
    x = 66,921,554,779,486.53/9,328,512.47
  6. Step 6: Final answer
    x = 7,173,872.04

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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.