Home / 20,883,529.42-31,356,044.46-11,679,534.64

Finding the Fourth Proportional to 20,883,529.42, 31,356,044.46 and 11,679,534.64

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Solution

The fourth proportional to 20,883,529.42, 31,356,044.46 and 11,679,534.64 is: 17,536,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,529.42 : 31,356,044.46 = 11,679,534.64 : x
  2. Step 2: Convert to fraction form
    20,883,529.42/31,356,044.46 = 11,679,534.64/x
  3. Step 3: Cross multiply
    20,883,529.42x = 31,356,044.46 × 11,679,534.64
  4. Step 4: Simplify right side
    20,883,529.42x = 366,224,007,443,950.12
  5. Step 5: Solve for x
    x = 366,224,007,443,950.12/20,883,529.42
  6. Step 6: Final answer
    x = 17,536,499.70

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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.