Home / 20,825,429.65-31,258,294.85-10,050,315.55

Finding the Fourth Proportional to 20,825,429.65, 31,258,294.85 and 10,050,315.55

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Solution

The fourth proportional to 20,825,429.65, 31,258,294.85 and 10,050,315.55 is: 15,085,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825,429.65 : 31,258,294.85 = 10,050,315.55 : x
  2. Step 2: Convert to fraction form
    20,825,429.65/31,258,294.85 = 10,050,315.55/x
  3. Step 3: Cross multiply
    20,825,429.65x = 31,258,294.85 × 10,050,315.55
  4. Step 4: Simplify right side
    20,825,429.65x = 314,155,726,590,896.88
  5. Step 5: Solve for x
    x = 314,155,726,590,896.88/20,825,429.65
  6. Step 6: Final answer
    x = 15,085,197.85

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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.