Home / 7,012,235.52-10,519,929.60-2,220,211.20

Finding the Fourth Proportional to 7,012,235.52, 10,519,929.60 and 2,220,211.20

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Solution

The fourth proportional to 7,012,235.52, 10,519,929.60 and 2,220,211.20 is: 3,330,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,235.52 : 10,519,929.60 = 2,220,211.20 : x
  2. Step 2: Convert to fraction form
    7,012,235.52/10,519,929.60 = 2,220,211.20/x
  3. Step 3: Cross multiply
    7,012,235.52x = 10,519,929.60 × 2,220,211.20
  4. Step 4: Simplify right side
    7,012,235.52x = 23,356,465,521,131.52
  5. Step 5: Solve for x
    x = 23,356,465,521,131.52/7,012,235.52
  6. Step 6: Final answer
    x = 3,330,815.89

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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.