Home / 12,468,079.60-18,670,626.60-8,185,058.80

Finding the Fourth Proportional to 12,468,079.60, 18,670,626.60 and 8,185,058.80

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Solution

The fourth proportional to 12,468,079.60, 18,670,626.60 and 8,185,058.80 is: 12,256,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,079.60 : 18,670,626.60 = 8,185,058.80 : x
  2. Step 2: Convert to fraction form
    12,468,079.60/18,670,626.60 = 8,185,058.80/x
  3. Step 3: Cross multiply
    12,468,079.60x = 18,670,626.60 × 8,185,058.80
  4. Step 4: Simplify right side
    12,468,079.60x = 152,820,176,553,844.09
  5. Step 5: Solve for x
    x = 152,820,176,553,844.09/12,468,079.60
  6. Step 6: Final answer
    x = 12,256,913.77

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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.