Home / 20,851,744.80-31,258,954.80-8,068,000.80

Finding the Fourth Proportional to 20,851,744.80, 31,258,954.80 and 8,068,000.80

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Solution

The fourth proportional to 20,851,744.80, 31,258,954.80 and 8,068,000.80 is: 12,094,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,744.80 : 31,258,954.80 = 8,068,000.80 : x
  2. Step 2: Convert to fraction form
    20,851,744.80/31,258,954.80 = 8,068,000.80/x
  3. Step 3: Cross multiply
    20,851,744.80x = 31,258,954.80 × 8,068,000.80
  4. Step 4: Simplify right side
    20,851,744.80x = 252,197,272,333,563.84
  5. Step 5: Solve for x
    x = 252,197,272,333,563.84/20,851,744.80
  6. Step 6: Final answer
    x = 12,094,780.31

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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.