Home / 14,272,491.52-19,696,180.08-7,746,178.96

Finding the Fourth Proportional to 14,272,491.52, 19,696,180.08 and 7,746,178.96

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Solution

The fourth proportional to 14,272,491.52, 19,696,180.08 and 7,746,178.96 is: 10,689,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,491.52 : 19,696,180.08 = 7,746,178.96 : x
  2. Step 2: Convert to fraction form
    14,272,491.52/19,696,180.08 = 7,746,178.96/x
  3. Step 3: Cross multiply
    14,272,491.52x = 19,696,180.08 × 7,746,178.96
  4. Step 4: Simplify right side
    14,272,491.52x = 152,570,135,728,067.09
  5. Step 5: Solve for x
    x = 152,570,135,728,067.09/14,272,491.52
  6. Step 6: Final answer
    x = 10,689,803.92

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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.