Home / 7,232,112.57-9,979,655.67-4,291,422.90

Finding the Fourth Proportional to 7,232,112.57, 9,979,655.67 and 4,291,422.90

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Solution

The fourth proportional to 7,232,112.57, 9,979,655.67 and 4,291,422.90 is: 5,921,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232,112.57 : 9,979,655.67 = 4,291,422.90 : x
  2. Step 2: Convert to fraction form
    7,232,112.57/9,979,655.67 = 4,291,422.90/x
  3. Step 3: Cross multiply
    7,232,112.57x = 9,979,655.67 × 4,291,422.90
  4. Step 4: Simplify right side
    7,232,112.57x = 42,826,922,876,352.84
  5. Step 5: Solve for x
    x = 42,826,922,876,352.84/7,232,112.57
  6. Step 6: Final answer
    x = 5,921,772.16

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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.