Home / 13,851,007.20-20,776,867.20-6,562,756.80

Finding the Fourth Proportional to 13,851,007.20, 20,776,867.20 and 6,562,756.80

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Solution

The fourth proportional to 13,851,007.20, 20,776,867.20 and 6,562,756.80 is: 9,844,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,007.20 : 20,776,867.20 = 6,562,756.80 : x
  2. Step 2: Convert to fraction form
    13,851,007.20/20,776,867.20 = 6,562,756.80/x
  3. Step 3: Cross multiply
    13,851,007.20x = 20,776,867.20 × 6,562,756.80
  4. Step 4: Simplify right side
    13,851,007.20x = 136,353,526,499,496.95
  5. Step 5: Solve for x
    x = 136,353,526,499,496.95/13,851,007.20
  6. Step 6: Final answer
    x = 9,844,304.07

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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.