Home / 15,644,386.98-21,589,302.06-8,675,555.22

Finding the Fourth Proportional to 15,644,386.98, 21,589,302.06 and 8,675,555.22

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Solution

The fourth proportional to 15,644,386.98, 21,589,302.06 and 8,675,555.22 is: 11,972,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644,386.98 : 21,589,302.06 = 8,675,555.22 : x
  2. Step 2: Convert to fraction form
    15,644,386.98/21,589,302.06 = 8,675,555.22/x
  3. Step 3: Cross multiply
    15,644,386.98x = 21,589,302.06 × 8,675,555.22
  4. Step 4: Simplify right side
    15,644,386.98x = 187,299,182,182,789.75
  5. Step 5: Solve for x
    x = 187,299,182,182,789.75/15,644,386.98
  6. Step 6: Final answer
    x = 11,972,292.84

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1.5x scale

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.