Home / 15,486,169.28-21,364,228.32-9,674,836.16

Finding the Fourth Proportional to 15,486,169.28, 21,364,228.32 and 9,674,836.16

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Solution

The fourth proportional to 15,486,169.28, 21,364,228.32 and 9,674,836.16 is: 13,347,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486,169.28 : 21,364,228.32 = 9,674,836.16 : x
  2. Step 2: Convert to fraction form
    15,486,169.28/21,364,228.32 = 9,674,836.16/x
  3. Step 3: Cross multiply
    15,486,169.28x = 21,364,228.32 × 9,674,836.16
  4. Step 4: Simplify right side
    15,486,169.28x = 206,695,408,680,832.06
  5. Step 5: Solve for x
    x = 206,695,408,680,832.06/15,486,169.28
  6. Step 6: Final answer
    x = 13,347,097.33

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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.