Home / 7,487,279.20-11,238,291.60-3,705,032.80

Finding the Fourth Proportional to 7,487,279.20, 11,238,291.60 and 3,705,032.80

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Solution

The fourth proportional to 7,487,279.20, 11,238,291.60 and 3,705,032.80 is: 5,561,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,279.20 : 11,238,291.60 = 3,705,032.80 : x
  2. Step 2: Convert to fraction form
    7,487,279.20/11,238,291.60 = 3,705,032.80/x
  3. Step 3: Cross multiply
    7,487,279.20x = 11,238,291.60 × 3,705,032.80
  4. Step 4: Simplify right side
    7,487,279.20x = 41,638,238,993,964.48
  5. Step 5: Solve for x
    x = 41,638,238,993,964.48/7,487,279.20
  6. Step 6: Final answer
    x = 5,561,197.58

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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.