Home / 20,243,629.35-30,369,872.70-10,013,390.10

Finding the Fourth Proportional to 20,243,629.35, 30,369,872.70 and 10,013,390.10

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Solution

The fourth proportional to 20,243,629.35, 30,369,872.70 and 10,013,390.10 is: 15,022,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243,629.35 : 30,369,872.70 = 10,013,390.10 : x
  2. Step 2: Convert to fraction form
    20,243,629.35/30,369,872.70 = 10,013,390.10/x
  3. Step 3: Cross multiply
    20,243,629.35x = 30,369,872.70 × 10,013,390.10
  4. Step 4: Simplify right side
    20,243,629.35x = 304,105,382,632,440.25
  5. Step 5: Solve for x
    x = 304,105,382,632,440.25/20,243,629.35
  6. Step 6: Final answer
    x = 15,022,275.77

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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.