Home / 20,257,370.33-30,386,133.38-4,904,634.42

Finding the Fourth Proportional to 20,257,370.33, 30,386,133.38 and 4,904,634.42

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Solution

The fourth proportional to 20,257,370.33, 30,386,133.38 and 4,904,634.42 is: 7,356,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,370.33 : 30,386,133.38 = 4,904,634.42 : x
  2. Step 2: Convert to fraction form
    20,257,370.33/30,386,133.38 = 4,904,634.42/x
  3. Step 3: Cross multiply
    20,257,370.33x = 30,386,133.38 × 4,904,634.42
  4. Step 4: Simplify right side
    20,257,370.33x = 149,032,875,678,520.53
  5. Step 5: Solve for x
    x = 149,032,875,678,520.53/20,257,370.33
  6. Step 6: Final answer
    x = 7,356,970.49

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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.