Home / 10,873,316.70-16,309,975.05-7,290,135.90

Finding the Fourth Proportional to 10,873,316.70, 16,309,975.05 and 7,290,135.90

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Solution

The fourth proportional to 10,873,316.70, 16,309,975.05 and 7,290,135.90 is: 10,935,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,316.70 : 16,309,975.05 = 7,290,135.90 : x
  2. Step 2: Convert to fraction form
    10,873,316.70/16,309,975.05 = 7,290,135.90/x
  3. Step 3: Cross multiply
    10,873,316.70x = 16,309,975.05 × 7,290,135.90
  4. Step 4: Simplify right side
    10,873,316.70x = 118,901,934,640,109.31
  5. Step 5: Solve for x
    x = 118,901,934,640,109.31/10,873,316.70
  6. Step 6: Final answer
    x = 10,935,203.85

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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.