Home / 8,917,112.80-13,379,816.40-4,662,085.60

Finding the Fourth Proportional to 8,917,112.80, 13,379,816.40 and 4,662,085.60

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Solution

The fourth proportional to 8,917,112.80, 13,379,816.40 and 4,662,085.60 is: 6,995,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,112.80 : 13,379,816.40 = 4,662,085.60 : x
  2. Step 2: Convert to fraction form
    8,917,112.80/13,379,816.40 = 4,662,085.60/x
  3. Step 3: Cross multiply
    8,917,112.80x = 13,379,816.40 × 4,662,085.60
  4. Step 4: Simplify right side
    8,917,112.80x = 62,377,849,369,083.84
  5. Step 5: Solve for x
    x = 62,377,849,369,083.84/8,917,112.80
  6. Step 6: Final answer
    x = 6,995,296.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.