Home / 12,420,573.96-17,140,216.48-6,988,053

Finding the Fourth Proportional to 12,420,573.96, 17,140,216.48 and 6,988,053

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Solution

The fourth proportional to 12,420,573.96, 17,140,216.48 and 6,988,053 is: 9,643,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,573.96 : 17,140,216.48 = 6,988,053 : x
  2. Step 2: Convert to fraction form
    12,420,573.96/17,140,216.48 = 6,988,053/x
  3. Step 3: Cross multiply
    12,420,573.96x = 17,140,216.48 × 6,988,053
  4. Step 4: Simplify right side
    12,420,573.96x = 119,776,741,193,713.44
  5. Step 5: Solve for x
    x = 119,776,741,193,713.44/12,420,573.96
  6. Step 6: Final answer
    x = 9,643,414.35

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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.