Home / 20,229,750.80-30,344,626.20-5,853,287.60

Finding the Fourth Proportional to 20,229,750.80, 30,344,626.20 and 5,853,287.60

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Solution

The fourth proportional to 20,229,750.80, 30,344,626.20 and 5,853,287.60 is: 8,779,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,750.80 : 30,344,626.20 = 5,853,287.60 : x
  2. Step 2: Convert to fraction form
    20,229,750.80/30,344,626.20 = 5,853,287.60/x
  3. Step 3: Cross multiply
    20,229,750.80x = 30,344,626.20 × 5,853,287.60
  4. Step 4: Simplify right side
    20,229,750.80x = 177,615,824,263,095.09
  5. Step 5: Solve for x
    x = 177,615,824,263,095.09/20,229,750.80
  6. Step 6: Final answer
    x = 8,779,931.40

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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.