Home / 7,240,043.20-10,856,857.20-2,446,430.80

Finding the Fourth Proportional to 7,240,043.20, 10,856,857.20 and 2,446,430.80

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Solution

The fourth proportional to 7,240,043.20, 10,856,857.20 and 2,446,430.80 is: 3,668,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,043.20 : 10,856,857.20 = 2,446,430.80 : x
  2. Step 2: Convert to fraction form
    7,240,043.20/10,856,857.20 = 2,446,430.80/x
  3. Step 3: Cross multiply
    7,240,043.20x = 10,856,857.20 × 2,446,430.80
  4. Step 4: Simplify right side
    7,240,043.20x = 26,560,549,845,281.76
  5. Step 5: Solve for x
    x = 26,560,549,845,281.76/7,240,043.20
  6. Step 6: Final answer
    x = 3,668,562.34

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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.