Home / 12,966,259.12-17,893,694.21-7,086,257.46

Finding the Fourth Proportional to 12,966,259.12, 17,893,694.21 and 7,086,257.46

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Solution

The fourth proportional to 12,966,259.12, 17,893,694.21 and 7,086,257.46 is: 9,779,175.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,259.12 : 17,893,694.21 = 7,086,257.46 : x
  2. Step 2: Convert to fraction form
    12,966,259.12/17,893,694.21 = 7,086,257.46/x
  3. Step 3: Cross multiply
    12,966,259.12x = 17,893,694.21 × 7,086,257.46
  4. Step 4: Simplify right side
    12,966,259.12x = 126,799,324,047,140
  5. Step 5: Solve for x
    x = 126,799,324,047,140/12,966,259.12
  6. Step 6: Final answer
    x = 9,779,175.54

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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.