Home / 20,816,726.89-28,730,089.46-11,994,489.14

Finding the Fourth Proportional to 20,816,726.89, 28,730,089.46 and 11,994,489.14

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Solution

The fourth proportional to 20,816,726.89, 28,730,089.46 and 11,994,489.14 is: 16,554,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816,726.89 : 28,730,089.46 = 11,994,489.14 : x
  2. Step 2: Convert to fraction form
    20,816,726.89/28,730,089.46 = 11,994,489.14/x
  3. Step 3: Cross multiply
    20,816,726.89x = 28,730,089.46 × 11,994,489.14
  4. Step 4: Simplify right side
    20,816,726.89x = 344,602,746,019,198.50
  5. Step 5: Solve for x
    x = 344,602,746,019,198.50/20,816,726.89
  6. Step 6: Final answer
    x = 16,554,127.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.