Home / 15,643,443.41-21,587,998.41-8,674,611.91

Finding the Fourth Proportional to 15,643,443.41, 21,587,998.41 and 8,674,611.91

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Solution

The fourth proportional to 15,643,443.41, 21,587,998.41 and 8,674,611.91 is: 11,970,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643,443.41 : 21,587,998.41 = 8,674,611.91 : x
  2. Step 2: Convert to fraction form
    15,643,443.41/21,587,998.41 = 8,674,611.91/x
  3. Step 3: Cross multiply
    15,643,443.41x = 21,587,998.41 × 8,674,611.91
  4. Step 4: Simplify right side
    15,643,443.41x = 187,267,508,169,742.56
  5. Step 5: Solve for x
    x = 187,267,508,169,742.56/15,643,443.41
  6. Step 6: Final answer
    x = 11,970,990.22

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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.