Home / 8,188,881.72-12,282,879.51-2,509,122.48

Finding the Fourth Proportional to 8,188,881.72, 12,282,879.51 and 2,509,122.48

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Solution

The fourth proportional to 8,188,881.72, 12,282,879.51 and 2,509,122.48 is: 3,763,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,881.72 : 12,282,879.51 = 2,509,122.48 : x
  2. Step 2: Convert to fraction form
    8,188,881.72/12,282,879.51 = 2,509,122.48/x
  3. Step 3: Cross multiply
    8,188,881.72x = 12,282,879.51 × 2,509,122.48
  4. Step 4: Simplify right side
    8,188,881.72x = 30,819,249,097,672.38
  5. Step 5: Solve for x
    x = 30,819,249,097,672.38/8,188,881.72
  6. Step 6: Final answer
    x = 3,763,547.96

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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.