Home / 40,964,641.78-61,404,044.88-19,086,981.63

Finding the Fourth Proportional to 40,964,641.78, 61,404,044.88 and 19,086,981.63

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Solution

The fourth proportional to 40,964,641.78, 61,404,044.88 and 19,086,981.63 is: 28,610,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,964,641.78 : 61,404,044.88 = 19,086,981.63 : x
  2. Step 2: Convert to fraction form
    40,964,641.78/61,404,044.88 = 19,086,981.63/x
  3. Step 3: Cross multiply
    40,964,641.78x = 61,404,044.88 × 19,086,981.63
  4. Step 4: Simplify right side
    40,964,641.78x = 1,172,017,876,229,800.50
  5. Step 5: Solve for x
    x = 1,172,017,876,229,800.50/40,964,641.78
  6. Step 6: Final answer
    x = 28,610,475.41

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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.