Home / 19,321,101.16-28,979,874.78-6,540,145

Finding the Fourth Proportional to 19,321,101.16, 28,979,874.78 and 6,540,145

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Solution

The fourth proportional to 19,321,101.16, 28,979,874.78 and 6,540,145 is: 9,809,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,101.16 : 28,979,874.78 = 6,540,145 : x
  2. Step 2: Convert to fraction form
    19,321,101.16/28,979,874.78 = 6,540,145/x
  3. Step 3: Cross multiply
    19,321,101.16x = 28,979,874.78 × 6,540,145
  4. Step 4: Simplify right side
    19,321,101.16x = 189,532,583,143,043.09
  5. Step 5: Solve for x
    x = 189,532,583,143,043.09/19,321,101.16
  6. Step 6: Final answer
    x = 9,809,616.00

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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.