Home / 20,861,381.70-31,292,072.55-14,484,089.70

Finding the Fourth Proportional to 20,861,381.70, 31,292,072.55 and 14,484,089.70

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Solution

The fourth proportional to 20,861,381.70, 31,292,072.55 and 14,484,089.70 is: 21,726,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,381.70 : 31,292,072.55 = 14,484,089.70 : x
  2. Step 2: Convert to fraction form
    20,861,381.70/31,292,072.55 = 14,484,089.70/x
  3. Step 3: Cross multiply
    20,861,381.70x = 31,292,072.55 × 14,484,089.70
  4. Step 4: Simplify right side
    20,861,381.70x = 453,237,185,713,107.75
  5. Step 5: Solve for x
    x = 453,237,185,713,107.75/20,861,381.70
  6. Step 6: Final answer
    x = 21,726,134.55

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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.