Home / 20,448,119.20-30,646,129.20-10,868,087.20

Finding the Fourth Proportional to 20,448,119.20, 30,646,129.20 and 10,868,087.20

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Solution

The fourth proportional to 20,448,119.20, 30,646,129.20 and 10,868,087.20 is: 16,288,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448,119.20 : 30,646,129.20 = 10,868,087.20 : x
  2. Step 2: Convert to fraction form
    20,448,119.20/30,646,129.20 = 10,868,087.20/x
  3. Step 3: Cross multiply
    20,448,119.20x = 30,646,129.20 × 10,868,087.20
  4. Step 4: Simplify right side
    20,448,119.20x = 333,064,804,488,066.19
  5. Step 5: Solve for x
    x = 333,064,804,488,066.19/20,448,119.20
  6. Step 6: Final answer
    x = 16,288,285.55

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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.