Home / 20,348,713.60-30,523,070.40-5,201,843.20

Finding the Fourth Proportional to 20,348,713.60, 30,523,070.40 and 5,201,843.20

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Solution

The fourth proportional to 20,348,713.60, 30,523,070.40 and 5,201,843.20 is: 7,802,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,713.60 : 30,523,070.40 = 5,201,843.20 : x
  2. Step 2: Convert to fraction form
    20,348,713.60/30,523,070.40 = 5,201,843.20/x
  3. Step 3: Cross multiply
    20,348,713.60x = 30,523,070.40 × 5,201,843.20
  4. Step 4: Simplify right side
    20,348,713.60x = 158,776,226,203,361.28
  5. Step 5: Solve for x
    x = 158,776,226,203,361.28/20,348,713.60
  6. Step 6: Final answer
    x = 7,802,764.80

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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.