Home / 7,652,914.20-10,561,021.26-4,215,155.31

Finding the Fourth Proportional to 7,652,914.20, 10,561,021.26 and 4,215,155.31

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Solution

The fourth proportional to 7,652,914.20, 10,561,021.26 and 4,215,155.31 is: 5,816,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652,914.20 : 10,561,021.26 = 4,215,155.31 : x
  2. Step 2: Convert to fraction form
    7,652,914.20/10,561,021.26 = 4,215,155.31/x
  3. Step 3: Cross multiply
    7,652,914.20x = 10,561,021.26 × 4,215,155.31
  4. Step 4: Simplify right side
    7,652,914.20x = 44,516,344,843,111.88
  5. Step 5: Solve for x
    x = 44,516,344,843,111.88/7,652,914.20
  6. Step 6: Final answer
    x = 5,816,914.14

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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.