Home / 30,813,442.32-42,522,030.88-17,062,111.20

Finding the Fourth Proportional to 30,813,442.32, 42,522,030.88 and 17,062,111.20

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Solution

The fourth proportional to 30,813,442.32, 42,522,030.88 and 17,062,111.20 is: 23,545,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,442.32 : 42,522,030.88 = 17,062,111.20 : x
  2. Step 2: Convert to fraction form
    30,813,442.32/42,522,030.88 = 17,062,111.20/x
  3. Step 3: Cross multiply
    30,813,442.32x = 42,522,030.88 × 17,062,111.20
  4. Step 4: Simplify right side
    30,813,442.32x = 725,515,619,324,393.88
  5. Step 5: Solve for x
    x = 725,515,619,324,393.88/30,813,442.32
  6. Step 6: Final answer
    x = 23,545,425.78

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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.