Home / 13,851,039.40-20,776,559.10-13,709,321.80

Finding the Fourth Proportional to 13,851,039.40, 20,776,559.10 and 13,709,321.80

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Solution

The fourth proportional to 13,851,039.40, 20,776,559.10 and 13,709,321.80 is: 20,563,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,039.40 : 20,776,559.10 = 13,709,321.80 : x
  2. Step 2: Convert to fraction form
    13,851,039.40/20,776,559.10 = 13,709,321.80/x
  3. Step 3: Cross multiply
    13,851,039.40x = 20,776,559.10 × 13,709,321.80
  4. Step 4: Simplify right side
    13,851,039.40x = 284,832,534,598,618.44
  5. Step 5: Solve for x
    x = 284,832,534,598,618.44/13,851,039.40
  6. Step 6: Final answer
    x = 20,563,982.70

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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.