Home / 10,372,298.70-15,546,006.45-5,321,009.10

Finding the Fourth Proportional to 10,372,298.70, 15,546,006.45 and 5,321,009.10

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Solution

The fourth proportional to 10,372,298.70, 15,546,006.45 and 5,321,009.10 is: 7,975,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,298.70 : 15,546,006.45 = 5,321,009.10 : x
  2. Step 2: Convert to fraction form
    10,372,298.70/15,546,006.45 = 5,321,009.10/x
  3. Step 3: Cross multiply
    10,372,298.70x = 15,546,006.45 × 5,321,009.10
  4. Step 4: Simplify right side
    10,372,298.70x = 82,720,441,789,108.69
  5. Step 5: Solve for x
    x = 82,720,441,789,108.69/10,372,298.70
  6. Step 6: Final answer
    x = 7,975,131.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.