Home / 17,078,421.40-25,617,656.70-6,981,042.40

Finding the Fourth Proportional to 17,078,421.40, 25,617,656.70 and 6,981,042.40

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Solution

The fourth proportional to 17,078,421.40, 25,617,656.70 and 6,981,042.40 is: 10,471,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078,421.40 : 25,617,656.70 = 6,981,042.40 : x
  2. Step 2: Convert to fraction form
    17,078,421.40/25,617,656.70 = 6,981,042.40/x
  3. Step 3: Cross multiply
    17,078,421.40x = 25,617,656.70 × 6,981,042.40
  4. Step 4: Simplify right side
    17,078,421.40x = 178,837,947,611,344.09
  5. Step 5: Solve for x
    x = 178,837,947,611,344.09/17,078,421.40
  6. Step 6: Final answer
    x = 10,471,573.66

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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.