Home / 28,232,442.30-42,348,663.45-21,847,277.10

Finding the Fourth Proportional to 28,232,442.30, 42,348,663.45 and 21,847,277.10

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Solution

The fourth proportional to 28,232,442.30, 42,348,663.45 and 21,847,277.10 is: 32,770,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,442.30 : 42,348,663.45 = 21,847,277.10 : x
  2. Step 2: Convert to fraction form
    28,232,442.30/42,348,663.45 = 21,847,277.10/x
  3. Step 3: Cross multiply
    28,232,442.30x = 42,348,663.45 × 21,847,277.10
  4. Step 4: Simplify right side
    28,232,442.30x = 925,202,985,206,792.12
  5. Step 5: Solve for x
    x = 925,202,985,206,792.12/28,232,442.30
  6. Step 6: Final answer
    x = 32,770,915.65

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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.