Home / 7,877,131.69-11,816,066.89-3,828,793.81

Finding the Fourth Proportional to 7,877,131.69, 11,816,066.89 and 3,828,793.81

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Solution

The fourth proportional to 7,877,131.69, 11,816,066.89 and 3,828,793.81 is: 5,743,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,131.69 : 11,816,066.89 = 3,828,793.81 : x
  2. Step 2: Convert to fraction form
    7,877,131.69/11,816,066.89 = 3,828,793.81/x
  3. Step 3: Cross multiply
    7,877,131.69x = 11,816,066.89 × 3,828,793.81
  4. Step 4: Simplify right side
    7,877,131.69x = 45,241,283,701,068.41
  5. Step 5: Solve for x
    x = 45,241,283,701,068.41/7,877,131.69
  6. Step 6: Final answer
    x = 5,743,370.24

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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.