Home / 10,195,945.38-15,289,430.94-5,402,529.81

Finding the Fourth Proportional to 10,195,945.38, 15,289,430.94 and 5,402,529.81

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Solution

The fourth proportional to 10,195,945.38, 15,289,430.94 and 5,402,529.81 is: 8,101,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,945.38 : 15,289,430.94 = 5,402,529.81 : x
  2. Step 2: Convert to fraction form
    10,195,945.38/15,289,430.94 = 5,402,529.81/x
  3. Step 3: Cross multiply
    10,195,945.38x = 15,289,430.94 × 5,402,529.81
  4. Step 4: Simplify right side
    10,195,945.38x = 82,601,606,431,286.31
  5. Step 5: Solve for x
    x = 82,601,606,431,286.31/10,195,945.38
  6. Step 6: Final answer
    x = 8,101,417.12

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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.