Home / 15,106,713.36-20,847,267.42-8,231,195.46

Finding the Fourth Proportional to 15,106,713.36, 20,847,267.42 and 8,231,195.46

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Solution

The fourth proportional to 15,106,713.36, 20,847,267.42 and 8,231,195.46 is: 11,359,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,713.36 : 20,847,267.42 = 8,231,195.46 : x
  2. Step 2: Convert to fraction form
    15,106,713.36/20,847,267.42 = 8,231,195.46/x
  3. Step 3: Cross multiply
    15,106,713.36x = 20,847,267.42 × 8,231,195.46
  4. Step 4: Simplify right side
    15,106,713.36x = 171,597,932,940,909.94
  5. Step 5: Solve for x
    x = 171,597,932,940,909.94/15,106,713.36
  6. Step 6: Final answer
    x = 11,359,051.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.