Home / 10,125,209.25-13,972,825.81-5,478,994.34

Finding the Fourth Proportional to 10,125,209.25, 13,972,825.81 and 5,478,994.34

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Solution

The fourth proportional to 10,125,209.25, 13,972,825.81 and 5,478,994.34 is: 7,561,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,209.25 : 13,972,825.81 = 5,478,994.34 : x
  2. Step 2: Convert to fraction form
    10,125,209.25/13,972,825.81 = 5,478,994.34/x
  3. Step 3: Cross multiply
    10,125,209.25x = 13,972,825.81 × 5,478,994.34
  4. Step 4: Simplify right side
    10,125,209.25x = 76,557,033,516,178.62
  5. Step 5: Solve for x
    x = 76,557,033,516,178.62/10,125,209.25
  6. Step 6: Final answer
    x = 7,561,032.23

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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.