Home / 13,868,088.76-19,137,858.06-7,756,517.56

Finding the Fourth Proportional to 13,868,088.76, 19,137,858.06 and 7,756,517.56

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Solution

The fourth proportional to 13,868,088.76, 19,137,858.06 and 7,756,517.56 is: 10,703,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,088.76 : 19,137,858.06 = 7,756,517.56 : x
  2. Step 2: Convert to fraction form
    13,868,088.76/19,137,858.06 = 7,756,517.56/x
  3. Step 3: Cross multiply
    13,868,088.76x = 19,137,858.06 × 7,756,517.56
  4. Step 4: Simplify right side
    13,868,088.76x = 148,443,132,103,177.50
  5. Step 5: Solve for x
    x = 148,443,132,103,177.50/13,868,088.76
  6. Step 6: Final answer
    x = 10,703,935.83

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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.