Home / 18,065,146.92-24,929,840.54-9,805,208.78

Finding the Fourth Proportional to 18,065,146.92, 24,929,840.54 and 9,805,208.78

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Solution

The fourth proportional to 18,065,146.92, 24,929,840.54 and 9,805,208.78 is: 13,531,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065,146.92 : 24,929,840.54 = 9,805,208.78 : x
  2. Step 2: Convert to fraction form
    18,065,146.92/24,929,840.54 = 9,805,208.78/x
  3. Step 3: Cross multiply
    18,065,146.92x = 24,929,840.54 × 9,805,208.78
  4. Step 4: Simplify right side
    18,065,146.92x = 244,442,291,173,132.72
  5. Step 5: Solve for x
    x = 244,442,291,173,132.72/18,065,146.92
  6. Step 6: Final answer
    x = 13,531,154.34

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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.