Home / 13,878,744-19,162,769.04-11,140,493.64

Finding the Fourth Proportional to 13,878,744, 19,162,769.04 and 11,140,493.64

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Solution

The fourth proportional to 13,878,744, 19,162,769.04 and 11,140,493.64 is: 15,381,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,744 : 19,162,769.04 = 11,140,493.64 : x
  2. Step 2: Convert to fraction form
    13,878,744/19,162,769.04 = 11,140,493.64/x
  3. Step 3: Cross multiply
    13,878,744x = 19,162,769.04 × 11,140,493.64
  4. Step 4: Simplify right side
    13,878,744x = 213,482,706,614,908.91
  5. Step 5: Solve for x
    x = 213,482,706,614,908.91/13,878,744
  6. Step 6: Final answer
    x = 15,381,990.37

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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.