Home / 12,496,691-17,240,504.46-7,847,741.72

Finding the Fourth Proportional to 12,496,691, 17,240,504.46 and 7,847,741.72

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Solution

The fourth proportional to 12,496,691, 17,240,504.46 and 7,847,741.72 is: 10,826,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496,691 : 17,240,504.46 = 7,847,741.72 : x
  2. Step 2: Convert to fraction form
    12,496,691/17,240,504.46 = 7,847,741.72/x
  3. Step 3: Cross multiply
    12,496,691x = 17,240,504.46 × 7,847,741.72
  4. Step 4: Simplify right side
    12,496,691x = 135,299,026,124,588.08
  5. Step 5: Solve for x
    x = 135,299,026,124,588.08/12,496,691
  6. Step 6: Final answer
    x = 10,826,788.16

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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.