Home / 8,948,715.51-12,348,879.78-5,469,879.05

Finding the Fourth Proportional to 8,948,715.51, 12,348,879.78 and 5,469,879.05

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Solution

The fourth proportional to 8,948,715.51, 12,348,879.78 and 5,469,879.05 is: 7,548,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948,715.51 : 12,348,879.78 = 5,469,879.05 : x
  2. Step 2: Convert to fraction form
    8,948,715.51/12,348,879.78 = 5,469,879.05/x
  3. Step 3: Cross multiply
    8,948,715.51x = 12,348,879.78 × 5,469,879.05
  4. Step 4: Simplify right side
    8,948,715.51x = 67,546,878,754,554.03
  5. Step 5: Solve for x
    x = 67,546,878,754,554.03/8,948,715.51
  6. Step 6: Final answer
    x = 7,548,220.60

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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.