Home / 19,211,687.78-26,512,338.40-10,509,673.56

Finding the Fourth Proportional to 19,211,687.78, 26,512,338.40 and 10,509,673.56

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Solution

The fourth proportional to 19,211,687.78, 26,512,338.40 and 10,509,673.56 is: 14,503,463.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,687.78 : 26,512,338.40 = 10,509,673.56 : x
  2. Step 2: Convert to fraction form
    19,211,687.78/26,512,338.40 = 10,509,673.56/x
  3. Step 3: Cross multiply
    19,211,687.78x = 26,512,338.40 × 10,509,673.56
  4. Step 4: Simplify right side
    19,211,687.78x = 278,636,021,896,252.69
  5. Step 5: Solve for x
    x = 278,636,021,896,252.69/19,211,687.78
  6. Step 6: Final answer
    x = 14,503,463.99

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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.