Home / 15,422,626.72-21,284,453.52-8,547,767.20

Finding the Fourth Proportional to 15,422,626.72, 21,284,453.52 and 8,547,767.20

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Solution

The fourth proportional to 15,422,626.72, 21,284,453.52 and 8,547,767.20 is: 11,796,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,626.72 : 21,284,453.52 = 8,547,767.20 : x
  2. Step 2: Convert to fraction form
    15,422,626.72/21,284,453.52 = 8,547,767.20/x
  3. Step 3: Cross multiply
    15,422,626.72x = 21,284,453.52 × 8,547,767.20
  4. Step 4: Simplify right side
    15,422,626.72x = 181,934,553,668,180.53
  5. Step 5: Solve for x
    x = 181,934,553,668,180.53/15,422,626.72
  6. Step 6: Final answer
    x = 11,796,599.70

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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.