Home / 13,375,532.69-20,029,239.52-8,812,748.41

Finding the Fourth Proportional to 13,375,532.69, 20,029,239.52 and 8,812,748.41

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Solution

The fourth proportional to 13,375,532.69, 20,029,239.52 and 8,812,748.41 is: 13,196,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,532.69 : 20,029,239.52 = 8,812,748.41 : x
  2. Step 2: Convert to fraction form
    13,375,532.69/20,029,239.52 = 8,812,748.41/x
  3. Step 3: Cross multiply
    13,375,532.69x = 20,029,239.52 × 8,812,748.41
  4. Step 4: Simplify right side
    13,375,532.69x = 176,512,648,661,284.19
  5. Step 5: Solve for x
    x = 176,512,648,661,284.19/13,375,532.69
  6. Step 6: Final answer
    x = 13,196,681.79

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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.