Home / 7,389,216.32-10,204,160.65-6,986,655.14

Finding the Fourth Proportional to 7,389,216.32, 10,204,160.65 and 6,986,655.14

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Solution

The fourth proportional to 7,389,216.32, 10,204,160.65 and 6,986,655.14 is: 9,648,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,216.32 : 10,204,160.65 = 6,986,655.14 : x
  2. Step 2: Convert to fraction form
    7,389,216.32/10,204,160.65 = 6,986,655.14/x
  3. Step 3: Cross multiply
    7,389,216.32x = 10,204,160.65 × 6,986,655.14
  4. Step 4: Simplify right side
    7,389,216.32x = 71,292,951,454,708.23
  5. Step 5: Solve for x
    x = 71,292,951,454,708.23/7,389,216.32
  6. Step 6: Final answer
    x = 9,648,242.57

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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.