Home / 8,489,680.07-11,715,740.78-4,622,167.40

Finding the Fourth Proportional to 8,489,680.07, 11,715,740.78 and 4,622,167.40

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Solution

The fourth proportional to 8,489,680.07, 11,715,740.78 and 4,622,167.40 is: 6,378,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,680.07 : 11,715,740.78 = 4,622,167.40 : x
  2. Step 2: Convert to fraction form
    8,489,680.07/11,715,740.78 = 4,622,167.40/x
  3. Step 3: Cross multiply
    8,489,680.07x = 11,715,740.78 × 4,622,167.40
  4. Step 4: Simplify right side
    8,489,680.07x = 54,152,115,018,477.03
  5. Step 5: Solve for x
    x = 54,152,115,018,477.03/8,489,680.07
  6. Step 6: Final answer
    x = 6,378,581.36

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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.