Home / 20,883,523.41-31,356,035.43-11,679,528.61

Finding the Fourth Proportional to 20,883,523.41, 31,356,035.43 and 11,679,528.61

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Solution

The fourth proportional to 20,883,523.41, 31,356,035.43 and 11,679,528.61 is: 17,536,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,523.41 : 31,356,035.43 = 11,679,528.61 : x
  2. Step 2: Convert to fraction form
    20,883,523.41/31,356,035.43 = 11,679,528.61/x
  3. Step 3: Cross multiply
    20,883,523.41x = 31,356,035.43 × 11,679,528.61
  4. Step 4: Simplify right side
    20,883,523.41x = 366,223,712,900,858.62
  5. Step 5: Solve for x
    x = 366,223,712,900,858.62/20,883,523.41
  6. Step 6: Final answer
    x = 17,536,490.64

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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.