Home / 10,891,718.40-16,342,826.40-7,689,950.40

Finding the Fourth Proportional to 10,891,718.40, 16,342,826.40 and 7,689,950.40

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Solution

The fourth proportional to 10,891,718.40, 16,342,826.40 and 7,689,950.40 is: 11,538,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,718.40 : 16,342,826.40 = 7,689,950.40 : x
  2. Step 2: Convert to fraction form
    10,891,718.40/16,342,826.40 = 7,689,950.40/x
  3. Step 3: Cross multiply
    10,891,718.40x = 16,342,826.40 × 7,689,950.40
  4. Step 4: Simplify right side
    10,891,718.40x = 125,675,524,411,810.56
  5. Step 5: Solve for x
    x = 125,675,524,411,810.56/10,891,718.40
  6. Step 6: Final answer
    x = 11,538,631.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.