Home / 12,790,031.22-19,185,711.23-6,398,124.59

Finding the Fourth Proportional to 12,790,031.22, 19,185,711.23 and 6,398,124.59

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Solution

The fourth proportional to 12,790,031.22, 19,185,711.23 and 6,398,124.59 is: 9,597,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,031.22 : 19,185,711.23 = 6,398,124.59 : x
  2. Step 2: Convert to fraction form
    12,790,031.22/19,185,711.23 = 6,398,124.59/x
  3. Step 3: Cross multiply
    12,790,031.22x = 19,185,711.23 × 6,398,124.59
  4. Step 4: Simplify right side
    12,790,031.22x = 122,752,570,861,261.75
  5. Step 5: Solve for x
    x = 122,752,570,861,261.75/12,790,031.22
  6. Step 6: Final answer
    x = 9,597,519.25

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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.