Home / 8,435,237.84-12,647,539.92-7,156,293.20

Finding the Fourth Proportional to 8,435,237.84, 12,647,539.92 and 7,156,293.20

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Solution

The fourth proportional to 8,435,237.84, 12,647,539.92 and 7,156,293.20 is: 10,729,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,237.84 : 12,647,539.92 = 7,156,293.20 : x
  2. Step 2: Convert to fraction form
    8,435,237.84/12,647,539.92 = 7,156,293.20/x
  3. Step 3: Cross multiply
    8,435,237.84x = 12,647,539.92 × 7,156,293.20
  4. Step 4: Simplify right side
    8,435,237.84x = 90,509,503,926,224.55
  5. Step 5: Solve for x
    x = 90,509,503,926,224.55/8,435,237.84
  6. Step 6: Final answer
    x = 10,729,929.10

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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.