Home / 18,895,930.20-28,343,895.30-7,544,525.40

Finding the Fourth Proportional to 18,895,930.20, 28,343,895.30 and 7,544,525.40

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Solution

The fourth proportional to 18,895,930.20, 28,343,895.30 and 7,544,525.40 is: 11,316,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,930.20 : 28,343,895.30 = 7,544,525.40 : x
  2. Step 2: Convert to fraction form
    18,895,930.20/28,343,895.30 = 7,544,525.40/x
  3. Step 3: Cross multiply
    18,895,930.20x = 28,343,895.30 × 7,544,525.40
  4. Step 4: Simplify right side
    18,895,930.20x = 213,841,238,025,790.62
  5. Step 5: Solve for x
    x = 213,841,238,025,790.62/18,895,930.20
  6. Step 6: Final answer
    x = 11,316,788.10

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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.