Home / 16,915,178.41-23,342,962.28-9,180,222.78

Finding the Fourth Proportional to 16,915,178.41, 23,342,962.28 and 9,180,222.78

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Solution

The fourth proportional to 16,915,178.41, 23,342,962.28 and 9,180,222.78 is: 12,668,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,178.41 : 23,342,962.28 = 9,180,222.78 : x
  2. Step 2: Convert to fraction form
    16,915,178.41/23,342,962.28 = 9,180,222.78/x
  3. Step 3: Cross multiply
    16,915,178.41x = 23,342,962.28 × 9,180,222.78
  4. Step 4: Simplify right side
    16,915,178.41x = 214,293,594,029,635.59
  5. Step 5: Solve for x
    x = 214,293,594,029,635.59/16,915,178.41
  6. Step 6: Final answer
    x = 12,668,716.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.