Home / 18,780,935.61-28,174,077.51-5,828,205.61

Finding the Fourth Proportional to 18,780,935.61, 28,174,077.51 and 5,828,205.61

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Solution

The fourth proportional to 18,780,935.61, 28,174,077.51 and 5,828,205.61 is: 8,743,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780,935.61 : 28,174,077.51 = 5,828,205.61 : x
  2. Step 2: Convert to fraction form
    18,780,935.61/28,174,077.51 = 5,828,205.61/x
  3. Step 3: Cross multiply
    18,780,935.61x = 28,174,077.51 × 5,828,205.61
  4. Step 4: Simplify right side
    18,780,935.61x = 164,204,316,600,356.84
  5. Step 5: Solve for x
    x = 164,204,316,600,356.84/18,780,935.61
  6. Step 6: Final answer
    x = 8,743,138.26

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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.