Home / 5,142,772.36-7,715,442.92-3,629,411.08

Finding the Fourth Proportional to 5,142,772.36, 7,715,442.92 and 3,629,411.08

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Solution

The fourth proportional to 5,142,772.36, 7,715,442.92 and 3,629,411.08 is: 5,445,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,772.36 : 7,715,442.92 = 3,629,411.08 : x
  2. Step 2: Convert to fraction form
    5,142,772.36/7,715,442.92 = 3,629,411.08/x
  3. Step 3: Cross multiply
    5,142,772.36x = 7,715,442.92 × 3,629,411.08
  4. Step 4: Simplify right side
    5,142,772.36x = 28,002,514,020,955.55
  5. Step 5: Solve for x
    x = 28,002,514,020,955.55/5,142,772.36
  6. Step 6: Final answer
    x = 5,445,023.05

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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.