Home / 10,125,206.33-13,972,821.76-5,478,991.40

Finding the Fourth Proportional to 10,125,206.33, 13,972,821.76 and 5,478,991.40

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Solution

The fourth proportional to 10,125,206.33, 13,972,821.76 and 5,478,991.40 is: 7,561,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,206.33 : 13,972,821.76 = 5,478,991.40 : x
  2. Step 2: Convert to fraction form
    10,125,206.33/13,972,821.76 = 5,478,991.40/x
  3. Step 3: Cross multiply
    10,125,206.33x = 13,972,821.76 × 5,478,991.40
  4. Step 4: Simplify right side
    10,125,206.33x = 76,556,970,256,772.88
  5. Step 5: Solve for x
    x = 76,556,970,256,772.88/10,125,206.33
  6. Step 6: Final answer
    x = 7,561,028.17

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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.