Home / 28,159,834.37-42,246,342.27-8,728,044.80

Finding the Fourth Proportional to 28,159,834.37, 42,246,342.27 and 8,728,044.80

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Solution

The fourth proportional to 28,159,834.37, 42,246,342.27 and 8,728,044.80 is: 13,094,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159,834.37 : 42,246,342.27 = 8,728,044.80 : x
  2. Step 2: Convert to fraction form
    28,159,834.37/42,246,342.27 = 8,728,044.80/x
  3. Step 3: Cross multiply
    28,159,834.37x = 42,246,342.27 × 8,728,044.80
  4. Step 4: Simplify right side
    28,159,834.37x = 368,727,967,757,462
  5. Step 5: Solve for x
    x = 368,727,967,757,462/28,159,834.37
  6. Step 6: Final answer
    x = 13,094,109.96

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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.