Home / 10,178,881.80-15,268,322.70-8,584,558.80

Finding the Fourth Proportional to 10,178,881.80, 15,268,322.70 and 8,584,558.80

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Solution

The fourth proportional to 10,178,881.80, 15,268,322.70 and 8,584,558.80 is: 12,876,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,881.80 : 15,268,322.70 = 8,584,558.80 : x
  2. Step 2: Convert to fraction form
    10,178,881.80/15,268,322.70 = 8,584,558.80/x
  3. Step 3: Cross multiply
    10,178,881.80x = 15,268,322.70 × 8,584,558.80
  4. Step 4: Simplify right side
    10,178,881.80x = 131,071,813,995,524.77
  5. Step 5: Solve for x
    x = 131,071,813,995,524.77/10,178,881.80
  6. Step 6: Final answer
    x = 12,876,838.20

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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.