Home / 7,215,568.29-9,954,712.62-4,118,263.56

Finding the Fourth Proportional to 7,215,568.29, 9,954,712.62 and 4,118,263.56

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Solution

The fourth proportional to 7,215,568.29, 9,954,712.62 and 4,118,263.56 is: 5,681,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,568.29 : 9,954,712.62 = 4,118,263.56 : x
  2. Step 2: Convert to fraction form
    7,215,568.29/9,954,712.62 = 4,118,263.56/x
  3. Step 3: Cross multiply
    7,215,568.29x = 9,954,712.62 × 4,118,263.56
  4. Step 4: Simplify right side
    7,215,568.29x = 40,996,130,233,218.12
  5. Step 5: Solve for x
    x = 40,996,130,233,218.12/7,215,568.29
  6. Step 6: Final answer
    x = 5,681,621.82

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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.