Home / 12,986,409-17,921,305.86-7,263,273

Finding the Fourth Proportional to 12,986,409, 17,921,305.86 and 7,263,273

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Solution

The fourth proportional to 12,986,409, 17,921,305.86 and 7,263,273 is: 10,023,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,409 : 17,921,305.86 = 7,263,273 : x
  2. Step 2: Convert to fraction form
    12,986,409/17,921,305.86 = 7,263,273/x
  3. Step 3: Cross multiply
    12,986,409x = 17,921,305.86 × 7,263,273
  4. Step 4: Simplify right side
    12,986,409x = 130,167,336,977,679.78
  5. Step 5: Solve for x
    x = 130,167,336,977,679.78/12,986,409
  6. Step 6: Final answer
    x = 10,023,351.10

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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.