Home / 20,160,060.20-30,240,090.30-18,406,304.90

Finding the Fourth Proportional to 20,160,060.20, 30,240,090.30 and 18,406,304.90

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Solution

The fourth proportional to 20,160,060.20, 30,240,090.30 and 18,406,304.90 is: 27,609,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,060.20 : 30,240,090.30 = 18,406,304.90 : x
  2. Step 2: Convert to fraction form
    20,160,060.20/30,240,090.30 = 18,406,304.90/x
  3. Step 3: Cross multiply
    20,160,060.20x = 30,240,090.30 × 18,406,304.90
  4. Step 4: Simplify right side
    20,160,060.20x = 556,608,322,265,332.44
  5. Step 5: Solve for x
    x = 556,608,322,265,332.44/20,160,060.20
  6. Step 6: Final answer
    x = 27,609,457.35

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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.