Home / 13,868,087.76-19,137,856.68-7,756,516.56

Finding the Fourth Proportional to 13,868,087.76, 19,137,856.68 and 7,756,516.56

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Solution

The fourth proportional to 13,868,087.76, 19,137,856.68 and 7,756,516.56 is: 10,703,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,087.76 : 19,137,856.68 = 7,756,516.56 : x
  2. Step 2: Convert to fraction form
    13,868,087.76/19,137,856.68 = 7,756,516.56/x
  3. Step 3: Cross multiply
    13,868,087.76x = 19,137,856.68 × 7,756,516.56
  4. Step 4: Simplify right side
    13,868,087.76x = 148,443,102,261,326.62
  5. Step 5: Solve for x
    x = 148,443,102,261,326.62/13,868,087.76
  6. Step 6: Final answer
    x = 10,703,934.45

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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.