Home / 7,214,947.80-10,822,422.96-1,823,613.72

Finding the Fourth Proportional to 7,214,947.80, 10,822,422.96 and 1,823,613.72

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Solution

The fourth proportional to 7,214,947.80, 10,822,422.96 and 1,823,613.72 is: 2,735,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214,947.80 : 10,822,422.96 = 1,823,613.72 : x
  2. Step 2: Convert to fraction form
    7,214,947.80/10,822,422.96 = 1,823,613.72/x
  3. Step 3: Cross multiply
    7,214,947.80x = 10,822,422.96 × 1,823,613.72
  4. Step 4: Simplify right side
    7,214,947.80x = 19,735,918,993,499.01
  5. Step 5: Solve for x
    x = 19,735,918,993,499.01/7,214,947.80
  6. Step 6: Final answer
    x = 2,735,420.90

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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.