Home / 13,169,908.80-19,719,433.80-10,311,937.20

Finding the Fourth Proportional to 13,169,908.80, 19,719,433.80 and 10,311,937.20

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Solution

The fourth proportional to 13,169,908.80, 19,719,433.80 and 10,311,937.20 is: 15,440,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,908.80 : 19,719,433.80 = 10,311,937.20 : x
  2. Step 2: Convert to fraction form
    13,169,908.80/19,719,433.80 = 10,311,937.20/x
  3. Step 3: Cross multiply
    13,169,908.80x = 19,719,433.80 × 10,311,937.20
  4. Step 4: Simplify right side
    13,169,908.80x = 203,345,562,965,157.34
  5. Step 5: Solve for x
    x = 203,345,562,965,157.34/13,169,908.80
  6. Step 6: Final answer
    x = 15,440,164.85

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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.