Home / 21,284,007.70-31,926,011.55-14,481,562.90

Finding the Fourth Proportional to 21,284,007.70, 31,926,011.55 and 14,481,562.90

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Solution

The fourth proportional to 21,284,007.70, 31,926,011.55 and 14,481,562.90 is: 21,722,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,007.70 : 31,926,011.55 = 14,481,562.90 : x
  2. Step 2: Convert to fraction form
    21,284,007.70/31,926,011.55 = 14,481,562.90/x
  3. Step 3: Cross multiply
    21,284,007.70x = 31,926,011.55 × 14,481,562.90
  4. Step 4: Simplify right side
    21,284,007.70x = 462,338,544,407,451.50
  5. Step 5: Solve for x
    x = 462,338,544,407,451.50/21,284,007.70
  6. Step 6: Final answer
    x = 21,722,344.35

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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.