Home / 20,508,000.10-30,762,000.15-17,173,651.30

Finding the Fourth Proportional to 20,508,000.10, 30,762,000.15 and 17,173,651.30

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Solution

The fourth proportional to 20,508,000.10, 30,762,000.15 and 17,173,651.30 is: 25,760,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,000.10 : 30,762,000.15 = 17,173,651.30 : x
  2. Step 2: Convert to fraction form
    20,508,000.10/30,762,000.15 = 17,173,651.30/x
  3. Step 3: Cross multiply
    20,508,000.10x = 30,762,000.15 × 17,173,651.30
  4. Step 4: Simplify right side
    20,508,000.10x = 528,295,863,866,647.69
  5. Step 5: Solve for x
    x = 528,295,863,866,647.69/20,508,000.10
  6. Step 6: Final answer
    x = 25,760,476.95

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1.5x scale

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.