Home / 14,445,874.52-19,935,179.64-7,919,385.44

Finding the Fourth Proportional to 14,445,874.52, 19,935,179.64 and 7,919,385.44

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Solution

The fourth proportional to 14,445,874.52, 19,935,179.64 and 7,919,385.44 is: 10,928,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445,874.52 : 19,935,179.64 = 7,919,385.44 : x
  2. Step 2: Convert to fraction form
    14,445,874.52/19,935,179.64 = 7,919,385.44/x
  3. Step 3: Cross multiply
    14,445,874.52x = 19,935,179.64 × 7,919,385.44
  4. Step 4: Simplify right side
    14,445,874.52x = 157,874,371,384,800.47
  5. Step 5: Solve for x
    x = 157,874,371,384,800.47/14,445,874.52
  6. Step 6: Final answer
    x = 10,928,682.18

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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.