Home / 7,012,285.52-10,520,004.60-2,220,261.20

Finding the Fourth Proportional to 7,012,285.52, 10,520,004.60 and 2,220,261.20

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Solution

The fourth proportional to 7,012,285.52, 10,520,004.60 and 2,220,261.20 is: 3,330,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,285.52 : 10,520,004.60 = 2,220,261.20 : x
  2. Step 2: Convert to fraction form
    7,012,285.52/10,520,004.60 = 2,220,261.20/x
  3. Step 3: Cross multiply
    7,012,285.52x = 10,520,004.60 × 2,220,261.20
  4. Step 4: Simplify right side
    7,012,285.52x = 23,357,158,037,201.52
  5. Step 5: Solve for x
    x = 23,357,158,037,201.52/7,012,285.52
  6. Step 6: Final answer
    x = 3,330,890.90

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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.