Home / 8,509,063.78-12,763,706.73-2,829,288.07

Finding the Fourth Proportional to 8,509,063.78, 12,763,706.73 and 2,829,288.07

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Solution

The fourth proportional to 8,509,063.78, 12,763,706.73 and 2,829,288.07 is: 4,243,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,063.78 : 12,763,706.73 = 2,829,288.07 : x
  2. Step 2: Convert to fraction form
    8,509,063.78/12,763,706.73 = 2,829,288.07/x
  3. Step 3: Cross multiply
    8,509,063.78x = 12,763,706.73 × 2,829,288.07
  4. Step 4: Simplify right side
    8,509,063.78x = 36,112,203,180,167.71
  5. Step 5: Solve for x
    x = 36,112,203,180,167.71/8,509,063.78
  6. Step 6: Final answer
    x = 4,243,969.03

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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.