Home / 18,893,536.30-28,298,314.05-15,534,304.30

Finding the Fourth Proportional to 18,893,536.30, 28,298,314.05 and 15,534,304.30

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Solution

The fourth proportional to 18,893,536.30, 28,298,314.05 and 15,534,304.30 is: 23,266,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,536.30 : 28,298,314.05 = 15,534,304.30 : x
  2. Step 2: Convert to fraction form
    18,893,536.30/28,298,314.05 = 15,534,304.30/x
  3. Step 3: Cross multiply
    18,893,536.30x = 28,298,314.05 × 15,534,304.30
  4. Step 4: Simplify right side
    18,893,536.30x = 439,594,621,629,665.44
  5. Step 5: Solve for x
    x = 439,594,621,629,665.44/18,893,536.30
  6. Step 6: Final answer
    x = 23,266,931.86

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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.