Home / 20,723,503.20-31,085,254.80-16,941,256.80

Finding the Fourth Proportional to 20,723,503.20, 31,085,254.80 and 16,941,256.80

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Solution

The fourth proportional to 20,723,503.20, 31,085,254.80 and 16,941,256.80 is: 25,411,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,503.20 : 31,085,254.80 = 16,941,256.80 : x
  2. Step 2: Convert to fraction form
    20,723,503.20/31,085,254.80 = 16,941,256.80/x
  3. Step 3: Cross multiply
    20,723,503.20x = 31,085,254.80 × 16,941,256.80
  4. Step 4: Simplify right side
    20,723,503.20x = 526,623,284,260,232.69
  5. Step 5: Solve for x
    x = 526,623,284,260,232.69/20,723,503.20
  6. Step 6: Final answer
    x = 25,411,885.20

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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.