Home / 10,125,212.10-13,972,829.70-5,478,997.15

Finding the Fourth Proportional to 10,125,212.10, 13,972,829.70 and 5,478,997.15

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Solution

The fourth proportional to 10,125,212.10, 13,972,829.70 and 5,478,997.15 is: 7,561,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,212.10 : 13,972,829.70 = 5,478,997.15 : x
  2. Step 2: Convert to fraction form
    10,125,212.10/13,972,829.70 = 5,478,997.15/x
  3. Step 3: Cross multiply
    10,125,212.10x = 13,972,829.70 × 5,478,997.15
  4. Step 4: Simplify right side
    10,125,212.10x = 76,557,094,103,735.36
  5. Step 5: Solve for x
    x = 76,557,094,103,735.36/10,125,212.10
  6. Step 6: Final answer
    x = 7,561,036.09

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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.