Home / 20,736,079.60-31,104,119.40-15,626,729.20

Finding the Fourth Proportional to 20,736,079.60, 31,104,119.40 and 15,626,729.20

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Solution

The fourth proportional to 20,736,079.60, 31,104,119.40 and 15,626,729.20 is: 23,440,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,079.60 : 31,104,119.40 = 15,626,729.20 : x
  2. Step 2: Convert to fraction form
    20,736,079.60/31,104,119.40 = 15,626,729.20/x
  3. Step 3: Cross multiply
    20,736,079.60x = 31,104,119.40 × 15,626,729.20
  4. Step 4: Simplify right side
    20,736,079.60x = 486,055,650,868,266.44
  5. Step 5: Solve for x
    x = 486,055,650,868,266.44/20,736,079.60
  6. Step 6: Final answer
    x = 23,440,093.80

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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.