Home / 28,785,668.55-43,185,976.43-8,590,912.71

Finding the Fourth Proportional to 28,785,668.55, 43,185,976.43 and 8,590,912.71

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Solution

The fourth proportional to 28,785,668.55, 43,185,976.43 and 8,590,912.71 is: 12,888,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785,668.55 : 43,185,976.43 = 8,590,912.71 : x
  2. Step 2: Convert to fraction form
    28,785,668.55/43,185,976.43 = 8,590,912.71/x
  3. Step 3: Cross multiply
    28,785,668.55x = 43,185,976.43 × 8,590,912.71
  4. Step 4: Simplify right side
    28,785,668.55x = 371,006,953,763,292.88
  5. Step 5: Solve for x
    x = 371,006,953,763,292.88/28,785,668.55
  6. Step 6: Final answer
    x = 12,888,599.52

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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.