Home / 39,230,830.40-58,846,245.60-12,304,443.20

Finding the Fourth Proportional to 39,230,830.40, 58,846,245.60 and 12,304,443.20

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Solution

The fourth proportional to 39,230,830.40, 58,846,245.60 and 12,304,443.20 is: 18,456,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230,830.40 : 58,846,245.60 = 12,304,443.20 : x
  2. Step 2: Convert to fraction form
    39,230,830.40/58,846,245.60 = 12,304,443.20/x
  3. Step 3: Cross multiply
    39,230,830.40x = 58,846,245.60 × 12,304,443.20
  4. Step 4: Simplify right side
    39,230,830.40x = 724,070,286,518,449.88
  5. Step 5: Solve for x
    x = 724,070,286,518,449.88/39,230,830.40
  6. Step 6: Final answer
    x = 18,456,664.80

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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.