Home / 15,410,759.68-21,266,988.78-8,535,376

Finding the Fourth Proportional to 15,410,759.68, 21,266,988.78 and 8,535,376

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Solution

The fourth proportional to 15,410,759.68, 21,266,988.78 and 8,535,376 is: 11,778,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410,759.68 : 21,266,988.78 = 8,535,376 : x
  2. Step 2: Convert to fraction form
    15,410,759.68/21,266,988.78 = 8,535,376/x
  3. Step 3: Cross multiply
    15,410,759.68x = 21,266,988.78 × 8,535,376
  4. Step 4: Simplify right side
    15,410,759.68x = 181,521,745,625,081.28
  5. Step 5: Solve for x
    x = 181,521,745,625,081.28/15,410,759.68
  6. Step 6: Final answer
    x = 11,778,896.65

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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.