Home / 11,078,786.10-15,291,275.75-6,496,583.70

Finding the Fourth Proportional to 11,078,786.10, 15,291,275.75 and 6,496,583.70

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Solution

The fourth proportional to 11,078,786.10, 15,291,275.75 and 6,496,583.70 is: 8,966,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,786.10 : 15,291,275.75 = 6,496,583.70 : x
  2. Step 2: Convert to fraction form
    11,078,786.10/15,291,275.75 = 6,496,583.70/x
  3. Step 3: Cross multiply
    11,078,786.10x = 15,291,275.75 × 6,496,583.70
  4. Step 4: Simplify right side
    11,078,786.10x = 99,341,052,789,655.28
  5. Step 5: Solve for x
    x = 99,341,052,789,655.28/11,078,786.10
  6. Step 6: Final answer
    x = 8,966,781.37

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Double scale
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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.