Home / 18,956,089.44-28,416,689.52-10,307,554.56

Finding the Fourth Proportional to 18,956,089.44, 28,416,689.52 and 10,307,554.56

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Solution

The fourth proportional to 18,956,089.44, 28,416,689.52 and 10,307,554.56 is: 15,451,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956,089.44 : 28,416,689.52 = 10,307,554.56 : x
  2. Step 2: Convert to fraction form
    18,956,089.44/28,416,689.52 = 10,307,554.56/x
  3. Step 3: Cross multiply
    18,956,089.44x = 28,416,689.52 × 10,307,554.56
  4. Step 4: Simplify right side
    18,956,089.44x = 292,906,577,641,980.25
  5. Step 5: Solve for x
    x = 292,906,577,641,980.25/18,956,089.44
  6. Step 6: Final answer
    x = 15,451,846.15

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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.