Home / 15,407,965.16-21,262,972.74-8,532,438.92

Finding the Fourth Proportional to 15,407,965.16, 21,262,972.74 and 8,532,438.92

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Solution

The fourth proportional to 15,407,965.16, 21,262,972.74 and 8,532,438.92 is: 11,774,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407,965.16 : 21,262,972.74 = 8,532,438.92 : x
  2. Step 2: Convert to fraction form
    15,407,965.16/21,262,972.74 = 8,532,438.92/x
  3. Step 3: Cross multiply
    15,407,965.16x = 21,262,972.74 × 8,532,438.92
  4. Step 4: Simplify right side
    15,407,965.16x = 181,425,016,161,675.03
  5. Step 5: Solve for x
    x = 181,425,016,161,675.03/15,407,965.16
  6. Step 6: Final answer
    x = 11,774,755.09

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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.