Home / 18,772,435.26-28,151,960.67-8,528,713.16

Finding the Fourth Proportional to 18,772,435.26, 28,151,960.67 and 8,528,713.16

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Solution

The fourth proportional to 18,772,435.26, 28,151,960.67 and 8,528,713.16 is: 12,790,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772,435.26 : 28,151,960.67 = 8,528,713.16 : x
  2. Step 2: Convert to fraction form
    18,772,435.26/28,151,960.67 = 8,528,713.16/x
  3. Step 3: Cross multiply
    18,772,435.26x = 28,151,960.67 × 8,528,713.16
  4. Step 4: Simplify right side
    18,772,435.26x = 240,099,997,305,271.62
  5. Step 5: Solve for x
    x = 240,099,997,305,271.62/18,772,435.26
  6. Step 6: Final answer
    x = 12,790,029.32

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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.