Home / 7,517,790.72-10,374,556.44-4,080,031.68

Finding the Fourth Proportional to 7,517,790.72, 10,374,556.44 and 4,080,031.68

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Solution

The fourth proportional to 7,517,790.72, 10,374,556.44 and 4,080,031.68 is: 5,630,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517,790.72 : 10,374,556.44 = 4,080,031.68 : x
  2. Step 2: Convert to fraction form
    7,517,790.72/10,374,556.44 = 4,080,031.68/x
  3. Step 3: Cross multiply
    7,517,790.72x = 10,374,556.44 × 4,080,031.68
  4. Step 4: Simplify right side
    7,517,790.72x = 42,328,518,941,148.02
  5. Step 5: Solve for x
    x = 42,328,518,941,148.02/7,517,790.72
  6. Step 6: Final answer
    x = 5,630,446.57

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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.