Home / 38,820,100.40-58,230,150.60-11,890,257.20

Finding the Fourth Proportional to 38,820,100.40, 58,230,150.60 and 11,890,257.20

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Solution

The fourth proportional to 38,820,100.40, 58,230,150.60 and 11,890,257.20 is: 17,835,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820,100.40 : 58,230,150.60 = 11,890,257.20 : x
  2. Step 2: Convert to fraction form
    38,820,100.40/58,230,150.60 = 11,890,257.20/x
  3. Step 3: Cross multiply
    38,820,100.40x = 58,230,150.60 × 11,890,257.20
  4. Step 4: Simplify right side
    38,820,100.40x = 692,371,467,428,734.25
  5. Step 5: Solve for x
    x = 692,371,467,428,734.25/38,820,100.40
  6. Step 6: Final answer
    x = 17,835,385.80

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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.