Home / 7,869,998.90-11,808,429.10-2,756,097.31

Finding the Fourth Proportional to 7,869,998.90, 11,808,429.10 and 2,756,097.31

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Solution

The fourth proportional to 7,869,998.90, 11,808,429.10 and 2,756,097.31 is: 4,135,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,998.90 : 11,808,429.10 = 2,756,097.31 : x
  2. Step 2: Convert to fraction form
    7,869,998.90/11,808,429.10 = 2,756,097.31/x
  3. Step 3: Cross multiply
    7,869,998.90x = 11,808,429.10 × 2,756,097.31
  4. Step 4: Simplify right side
    7,869,998.90x = 32,545,179,641,424.41
  5. Step 5: Solve for x
    x = 32,545,179,641,424.41/7,869,998.90
  6. Step 6: Final answer
    x = 4,135,347.42

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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.