Home / 38,116,038.40-57,161,771.52-12,550,961.28

Finding the Fourth Proportional to 38,116,038.40, 57,161,771.52 and 12,550,961.28

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Solution

The fourth proportional to 38,116,038.40, 57,161,771.52 and 12,550,961.28 is: 18,822,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116,038.40 : 57,161,771.52 = 12,550,961.28 : x
  2. Step 2: Convert to fraction form
    38,116,038.40/57,161,771.52 = 12,550,961.28/x
  3. Step 3: Cross multiply
    38,116,038.40x = 57,161,771.52 × 12,550,961.28
  4. Step 4: Simplify right side
    38,116,038.40x = 717,435,181,043,726.75
  5. Step 5: Solve for x
    x = 717,435,181,043,726.75/38,116,038.40
  6. Step 6: Final answer
    x = 18,822,396.32

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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.