Home / 11,479,518.49-17,178,834.17-7,163,599.40

Finding the Fourth Proportional to 11,479,518.49, 17,178,834.17 and 7,163,599.40

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Solution

The fourth proportional to 11,479,518.49, 17,178,834.17 and 7,163,599.40 is: 10,720,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479,518.49 : 17,178,834.17 = 7,163,599.40 : x
  2. Step 2: Convert to fraction form
    11,479,518.49/17,178,834.17 = 7,163,599.40/x
  3. Step 3: Cross multiply
    11,479,518.49x = 17,178,834.17 × 7,163,599.40
  4. Step 4: Simplify right side
    11,479,518.49x = 123,062,286,181,040.31
  5. Step 5: Solve for x
    x = 123,062,286,181,040.31/11,479,518.49
  6. Step 6: Final answer
    x = 10,720,160.98

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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.