Home / 13,043,537.20-19,541,686.20-11,153,969.20

Finding the Fourth Proportional to 13,043,537.20, 19,541,686.20 and 11,153,969.20

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Solution

The fourth proportional to 13,043,537.20, 19,541,686.20 and 11,153,969.20 is: 16,710,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043,537.20 : 19,541,686.20 = 11,153,969.20 : x
  2. Step 2: Convert to fraction form
    13,043,537.20/19,541,686.20 = 11,153,969.20/x
  3. Step 3: Cross multiply
    13,043,537.20x = 19,541,686.20 × 11,153,969.20
  4. Step 4: Simplify right side
    13,043,537.20x = 217,967,365,990,865.03
  5. Step 5: Solve for x
    x = 217,967,365,990,865.03/13,043,537.20
  6. Step 6: Final answer
    x = 16,710,755.88

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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.