Home / 7,517,890.16-10,374,695.56-4,080,132.32

Finding the Fourth Proportional to 7,517,890.16, 10,374,695.56 and 4,080,132.32

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Solution

The fourth proportional to 7,517,890.16, 10,374,695.56 and 4,080,132.32 is: 5,630,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517,890.16 : 10,374,695.56 = 4,080,132.32 : x
  2. Step 2: Convert to fraction form
    7,517,890.16/10,374,695.56 = 4,080,132.32/x
  3. Step 3: Cross multiply
    7,517,890.16x = 10,374,695.56 × 4,080,132.32
  4. Step 4: Simplify right side
    7,517,890.16x = 42,330,130,664,516.50
  5. Step 5: Solve for x
    x = 42,330,130,664,516.50/7,517,890.16
  6. Step 6: Final answer
    x = 5,630,586.48

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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.