Home / 12,427,339.12-17,149,459.92-6,845,741.72

Finding the Fourth Proportional to 12,427,339.12, 17,149,459.92 and 6,845,741.72

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Solution

The fourth proportional to 12,427,339.12, 17,149,459.92 and 6,845,741.72 is: 9,446,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,339.12 : 17,149,459.92 = 6,845,741.72 : x
  2. Step 2: Convert to fraction form
    12,427,339.12/17,149,459.92 = 6,845,741.72/x
  3. Step 3: Cross multiply
    12,427,339.12x = 17,149,459.92 × 6,845,741.72
  4. Step 4: Simplify right side
    12,427,339.12x = 117,400,773,249,811.88
  5. Step 5: Solve for x
    x = 117,400,773,249,811.88/12,427,339.12
  6. Step 6: Final answer
    x = 9,446,975.91

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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.