Home / 11,078,785.91-15,291,275.49-6,496,583.51

Finding the Fourth Proportional to 11,078,785.91, 15,291,275.49 and 6,496,583.51

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Solution

The fourth proportional to 11,078,785.91, 15,291,275.49 and 6,496,583.51 is: 8,966,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,785.91 : 15,291,275.49 = 6,496,583.51 : x
  2. Step 2: Convert to fraction form
    11,078,785.91/15,291,275.49 = 6,496,583.51/x
  3. Step 3: Cross multiply
    11,078,785.91x = 15,291,275.49 × 6,496,583.51
  4. Step 4: Simplify right side
    11,078,785.91x = 99,341,048,195,201.17
  5. Step 5: Solve for x
    x = 99,341,048,195,201.17/11,078,785.91
  6. Step 6: Final answer
    x = 8,966,781.11

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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.