Home / 7,115,478.51-9,815,351.67-4,501,172.73

Finding the Fourth Proportional to 7,115,478.51, 9,815,351.67 and 4,501,172.73

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Solution

The fourth proportional to 7,115,478.51, 9,815,351.67 and 4,501,172.73 is: 6,209,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,478.51 : 9,815,351.67 = 4,501,172.73 : x
  2. Step 2: Convert to fraction form
    7,115,478.51/9,815,351.67 = 4,501,172.73/x
  3. Step 3: Cross multiply
    7,115,478.51x = 9,815,351.67 × 4,501,172.73
  4. Step 4: Simplify right side
    7,115,478.51x = 44,180,593,272,363.96
  5. Step 5: Solve for x
    x = 44,180,593,272,363.96/7,115,478.51
  6. Step 6: Final answer
    x = 6,209,082.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.