Home / 40,536,978.72-55,941,935.76-23,132,977.44

Finding the Fourth Proportional to 40,536,978.72, 55,941,935.76 and 23,132,977.44

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Solution

The fourth proportional to 40,536,978.72, 55,941,935.76 and 23,132,977.44 is: 31,924,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,536,978.72 : 55,941,935.76 = 23,132,977.44 : x
  2. Step 2: Convert to fraction form
    40,536,978.72/55,941,935.76 = 23,132,977.44/x
  3. Step 3: Cross multiply
    40,536,978.72x = 55,941,935.76 × 23,132,977.44
  4. Step 4: Simplify right side
    40,536,978.72x = 1,294,103,537,886,009.25
  5. Step 5: Solve for x
    x = 1,294,103,537,886,009.25/40,536,978.72
  6. Step 6: Final answer
    x = 31,924,025.39

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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.