Home / 20,825,429.52-31,258,294.65-10,050,315.42

Finding the Fourth Proportional to 20,825,429.52, 31,258,294.65 and 10,050,315.42

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Solution

The fourth proportional to 20,825,429.52, 31,258,294.65 and 10,050,315.42 is: 15,085,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825,429.52 : 31,258,294.65 = 10,050,315.42 : x
  2. Step 2: Convert to fraction form
    20,825,429.52/31,258,294.65 = 10,050,315.42/x
  3. Step 3: Cross multiply
    20,825,429.52x = 31,258,294.65 × 10,050,315.42
  4. Step 4: Simplify right side
    20,825,429.52x = 314,155,720,723,798.50
  5. Step 5: Solve for x
    x = 314,155,720,723,798.50/20,825,429.52
  6. Step 6: Final answer
    x = 15,085,197.66

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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.