Home / 12,572,965.32-18,943,462.86-11,359,951.44

Finding the Fourth Proportional to 12,572,965.32, 18,943,462.86 and 11,359,951.44

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Solution

The fourth proportional to 12,572,965.32, 18,943,462.86 and 11,359,951.44 is: 17,115,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,965.32 : 18,943,462.86 = 11,359,951.44 : x
  2. Step 2: Convert to fraction form
    12,572,965.32/18,943,462.86 = 11,359,951.44/x
  3. Step 3: Cross multiply
    12,572,965.32x = 18,943,462.86 × 11,359,951.44
  4. Step 4: Simplify right side
    12,572,965.32x = 215,196,818,195,043.50
  5. Step 5: Solve for x
    x = 215,196,818,195,043.50/12,572,965.32
  6. Step 6: Final answer
    x = 17,115,836.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.