Home / 19,162,343.78-28,743,516.81-15,306,111.32

Finding the Fourth Proportional to 19,162,343.78, 28,743,516.81 and 15,306,111.32

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Solution

The fourth proportional to 19,162,343.78, 28,743,516.81 and 15,306,111.32 is: 22,959,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,343.78 : 28,743,516.81 = 15,306,111.32 : x
  2. Step 2: Convert to fraction form
    19,162,343.78/28,743,516.81 = 15,306,111.32/x
  3. Step 3: Cross multiply
    19,162,343.78x = 28,743,516.81 × 15,306,111.32
  4. Step 4: Simplify right side
    19,162,343.78x = 439,951,467,878,433.69
  5. Step 5: Solve for x
    x = 439,951,467,878,433.69/19,162,343.78
  6. Step 6: Final answer
    x = 22,959,167.89

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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.