Home / 9,219,373.92-12,723,939.84-5,145,838.56

Finding the Fourth Proportional to 9,219,373.92, 12,723,939.84 and 5,145,838.56

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Solution

The fourth proportional to 9,219,373.92, 12,723,939.84 and 5,145,838.56 is: 7,101,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,373.92 : 12,723,939.84 = 5,145,838.56 : x
  2. Step 2: Convert to fraction form
    9,219,373.92/12,723,939.84 = 5,145,838.56/x
  3. Step 3: Cross multiply
    9,219,373.92x = 12,723,939.84 × 5,145,838.56
  4. Step 4: Simplify right side
    9,219,373.92x = 65,475,340,263,792.23
  5. Step 5: Solve for x
    x = 65,475,340,263,792.23/9,219,373.92
  6. Step 6: Final answer
    x = 7,101,929.14

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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.