Home / 10,125,205.83-13,972,821.07-5,478,990.90

Finding the Fourth Proportional to 10,125,205.83, 13,972,821.07 and 5,478,990.90

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Solution

The fourth proportional to 10,125,205.83, 13,972,821.07 and 5,478,990.90 is: 7,561,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,205.83 : 13,972,821.07 = 5,478,990.90 : x
  2. Step 2: Convert to fraction form
    10,125,205.83/13,972,821.07 = 5,478,990.90/x
  3. Step 3: Cross multiply
    10,125,205.83x = 13,972,821.07 × 5,478,990.90
  4. Step 4: Simplify right side
    10,125,205.83x = 76,556,959,489,858.27
  5. Step 5: Solve for x
    x = 76,556,959,489,858.27/10,125,205.83
  6. Step 6: Final answer
    x = 7,561,027.48

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1.5x scale

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.