Home / 12,057,335.80-18,106,998.90-6,388,631.80

Finding the Fourth Proportional to 12,057,335.80, 18,106,998.90 and 6,388,631.80

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Solution

The fourth proportional to 12,057,335.80, 18,106,998.90 and 6,388,631.80 is: 9,594,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057,335.80 : 18,106,998.90 = 6,388,631.80 : x
  2. Step 2: Convert to fraction form
    12,057,335.80/18,106,998.90 = 6,388,631.80/x
  3. Step 3: Cross multiply
    12,057,335.80x = 18,106,998.90 × 6,388,631.80
  4. Step 4: Simplify right side
    12,057,335.80x = 115,678,948,975,105
  5. Step 5: Solve for x
    x = 115,678,948,975,105/12,057,335.80
  6. Step 6: Final answer
    x = 9,594,072.10

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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.