Home / 20,933,482.86-31,400,199.69-6,557,670.29

Finding the Fourth Proportional to 20,933,482.86, 31,400,199.69 and 6,557,670.29

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Solution

The fourth proportional to 20,933,482.86, 31,400,199.69 and 6,557,670.29 is: 9,836,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,482.86 : 31,400,199.69 = 6,557,670.29 : x
  2. Step 2: Convert to fraction form
    20,933,482.86/31,400,199.69 = 6,557,670.29/x
  3. Step 3: Cross multiply
    20,933,482.86x = 31,400,199.69 × 6,557,670.29
  4. Step 4: Simplify right side
    20,933,482.86x = 205,912,156,661,089.47
  5. Step 5: Solve for x
    x = 205,912,156,661,089.47/20,933,482.86
  6. Step 6: Final answer
    x = 9,836,497.73

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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.