Home / 20,168,642.60-30,255,728.70-6,704,066.60

Finding the Fourth Proportional to 20,168,642.60, 30,255,728.70 and 6,704,066.60

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Solution

The fourth proportional to 20,168,642.60, 30,255,728.70 and 6,704,066.60 is: 10,057,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,642.60 : 30,255,728.70 = 6,704,066.60 : x
  2. Step 2: Convert to fraction form
    20,168,642.60/30,255,728.70 = 6,704,066.60/x
  3. Step 3: Cross multiply
    20,168,642.60x = 30,255,728.70 × 6,704,066.60
  4. Step 4: Simplify right side
    20,168,642.60x = 202,836,420,236,331.41
  5. Step 5: Solve for x
    x = 202,836,420,236,331.41/20,168,642.60
  6. Step 6: Final answer
    x = 10,057,018.92

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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.