Home / 13,343,430.60-20,015,145.90-12,304,168.20

Finding the Fourth Proportional to 13,343,430.60, 20,015,145.90 and 12,304,168.20

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Solution

The fourth proportional to 13,343,430.60, 20,015,145.90 and 12,304,168.20 is: 18,456,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343,430.60 : 20,015,145.90 = 12,304,168.20 : x
  2. Step 2: Convert to fraction form
    13,343,430.60/20,015,145.90 = 12,304,168.20/x
  3. Step 3: Cross multiply
    13,343,430.60x = 20,015,145.90 × 12,304,168.20
  4. Step 4: Simplify right side
    13,343,430.60x = 246,269,721,701,140.34
  5. Step 5: Solve for x
    x = 246,269,721,701,140.34/13,343,430.60
  6. Step 6: Final answer
    x = 18,456,252.30

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Similar ratio
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1.5x scale

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.