Home / 18,848,155.49-28,256,040.83-6,550,521.05

Finding the Fourth Proportional to 18,848,155.49, 28,256,040.83 and 6,550,521.05

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Solution

The fourth proportional to 18,848,155.49, 28,256,040.83 and 6,550,521.05 is: 9,820,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848,155.49 : 28,256,040.83 = 6,550,521.05 : x
  2. Step 2: Convert to fraction form
    18,848,155.49/28,256,040.83 = 6,550,521.05/x
  3. Step 3: Cross multiply
    18,848,155.49x = 28,256,040.83 × 6,550,521.05
  4. Step 4: Simplify right side
    18,848,155.49x = 185,091,790,121,670.56
  5. Step 5: Solve for x
    x = 185,091,790,121,670.56/18,848,155.49
  6. Step 6: Final answer
    x = 9,820,154.03

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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.