Home / 14,017,769.47-19,344,409.32-8,137,949.20

Finding the Fourth Proportional to 14,017,769.47, 19,344,409.32 and 8,137,949.20

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Solution

The fourth proportional to 14,017,769.47, 19,344,409.32 and 8,137,949.20 is: 11,230,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017,769.47 : 19,344,409.32 = 8,137,949.20 : x
  2. Step 2: Convert to fraction form
    14,017,769.47/19,344,409.32 = 8,137,949.20/x
  3. Step 3: Cross multiply
    14,017,769.47x = 19,344,409.32 × 8,137,949.20
  4. Step 4: Simplify right side
    14,017,769.47x = 157,423,820,350,166.56
  5. Step 5: Solve for x
    x = 157,423,820,350,166.56/14,017,769.47
  6. Step 6: Final answer
    x = 11,230,304.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.