Home / 7,518,010.40-10,374,858.62-4,080,251.43

Finding the Fourth Proportional to 7,518,010.40, 10,374,858.62 and 4,080,251.43

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Solution

The fourth proportional to 7,518,010.40, 10,374,858.62 and 4,080,251.43 is: 5,630,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,010.40 : 10,374,858.62 = 4,080,251.43 : x
  2. Step 2: Convert to fraction form
    7,518,010.40/10,374,858.62 = 4,080,251.43/x
  3. Step 3: Cross multiply
    7,518,010.40x = 10,374,858.62 × 4,080,251.43
  4. Step 4: Simplify right side
    7,518,010.40x = 42,332,031,715,202.52
  5. Step 5: Solve for x
    x = 42,332,031,715,202.52/7,518,010.40
  6. Step 6: Final answer
    x = 5,630,749.29

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1.5x scale

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.