Home / 13,182,604.80-19,757,318.40-11,689,612.80

Finding the Fourth Proportional to 13,182,604.80, 19,757,318.40 and 11,689,612.80

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Solution

The fourth proportional to 13,182,604.80, 19,757,318.40 and 11,689,612.80 is: 17,519,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,604.80 : 19,757,318.40 = 11,689,612.80 : x
  2. Step 2: Convert to fraction form
    13,182,604.80/19,757,318.40 = 11,689,612.80/x
  3. Step 3: Cross multiply
    13,182,604.80x = 19,757,318.40 × 11,689,612.80
  4. Step 4: Simplify right side
    13,182,604.80x = 230,955,402,062,315.53
  5. Step 5: Solve for x
    x = 230,955,402,062,315.53/13,182,604.80
  6. Step 6: Final answer
    x = 17,519,709.16

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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.