Home / 20,240,640-30,360,935.16-6,593,764.32

Finding the Fourth Proportional to 20,240,640, 30,360,935.16 and 6,593,764.32

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Solution

The fourth proportional to 20,240,640, 30,360,935.16 and 6,593,764.32 is: 9,890,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,640 : 30,360,935.16 = 6,593,764.32 : x
  2. Step 2: Convert to fraction form
    20,240,640/30,360,935.16 = 6,593,764.32/x
  3. Step 3: Cross multiply
    20,240,640x = 30,360,935.16 × 6,593,764.32
  4. Step 4: Simplify right side
    20,240,640x = 200,192,850,979,841.50
  5. Step 5: Solve for x
    x = 200,192,850,979,841.50/20,240,640
  6. Step 6: Final answer
    x = 9,890,638.39

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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.