Home / 7,658,932.40-11,472,652.20-5,265,479.60

Finding the Fourth Proportional to 7,658,932.40, 11,472,652.20 and 5,265,479.60

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Solution

The fourth proportional to 7,658,932.40, 11,472,652.20 and 5,265,479.60 is: 7,887,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,932.40 : 11,472,652.20 = 5,265,479.60 : x
  2. Step 2: Convert to fraction form
    7,658,932.40/11,472,652.20 = 5,265,479.60/x
  3. Step 3: Cross multiply
    7,658,932.40x = 11,472,652.20 × 5,265,479.60
  4. Step 4: Simplify right side
    7,658,932.40x = 60,409,016,116,995.11
  5. Step 5: Solve for x
    x = 60,409,016,116,995.11/7,658,932.40
  6. Step 6: Final answer
    x = 7,887,393.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.