Home / 30,229,503.20-45,350,159.70-12,030,601.40

Finding the Fourth Proportional to 30,229,503.20, 45,350,159.70 and 12,030,601.40

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Solution

The fourth proportional to 30,229,503.20, 45,350,159.70 and 12,030,601.40 is: 18,048,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229,503.20 : 45,350,159.70 = 12,030,601.40 : x
  2. Step 2: Convert to fraction form
    30,229,503.20/45,350,159.70 = 12,030,601.40/x
  3. Step 3: Cross multiply
    30,229,503.20x = 45,350,159.70 × 12,030,601.40
  4. Step 4: Simplify right side
    30,229,503.20x = 545,589,694,777,043.62
  5. Step 5: Solve for x
    x = 545,589,694,777,043.62/30,229,503.20
  6. Step 6: Final answer
    x = 18,048,252.11

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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.