Home / 17,913,915.69-26,865,667.76-6,981,672.24

Finding the Fourth Proportional to 17,913,915.69, 26,865,667.76 and 6,981,672.24

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Solution

The fourth proportional to 17,913,915.69, 26,865,667.76 and 6,981,672.24 is: 10,470,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913,915.69 : 26,865,667.76 = 6,981,672.24 : x
  2. Step 2: Convert to fraction form
    17,913,915.69/26,865,667.76 = 6,981,672.24/x
  3. Step 3: Cross multiply
    17,913,915.69x = 26,865,667.76 × 6,981,672.24
  4. Step 4: Simplify right side
    17,913,915.69x = 187,567,286,774,146.62
  5. Step 5: Solve for x
    x = 187,567,286,774,146.62/17,913,915.69
  6. Step 6: Final answer
    x = 10,470,479.49

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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.