Home / 19,381,568.09-26,747,134.49-10,680,301.20

Finding the Fourth Proportional to 19,381,568.09, 26,747,134.49 and 10,680,301.20

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Solution

The fourth proportional to 19,381,568.09, 26,747,134.49 and 10,680,301.20 is: 14,739,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381,568.09 : 26,747,134.49 = 10,680,301.20 : x
  2. Step 2: Convert to fraction form
    19,381,568.09/26,747,134.49 = 10,680,301.20/x
  3. Step 3: Cross multiply
    19,381,568.09x = 26,747,134.49 × 10,680,301.20
  4. Step 4: Simplify right side
    19,381,568.09x = 285,667,452,536,706.88
  5. Step 5: Solve for x
    x = 285,667,452,536,706.88/19,381,568.09
  6. Step 6: Final answer
    x = 14,739,130.05

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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.