Home / 10,015,147.80-13,820,738.40-5,664,070.80

Finding the Fourth Proportional to 10,015,147.80, 13,820,738.40 and 5,664,070.80

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Solution

The fourth proportional to 10,015,147.80, 13,820,738.40 and 5,664,070.80 is: 7,816,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015,147.80 : 13,820,738.40 = 5,664,070.80 : x
  2. Step 2: Convert to fraction form
    10,015,147.80/13,820,738.40 = 5,664,070.80/x
  3. Step 3: Cross multiply
    10,015,147.80x = 13,820,738.40 × 5,664,070.80
  4. Step 4: Simplify right side
    10,015,147.80x = 78,281,640,805,878.72
  5. Step 5: Solve for x
    x = 78,281,640,805,878.72/10,015,147.80
  6. Step 6: Final answer
    x = 7,816,324.07

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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.