Home / 8,322,985.71-12,484,420.25-4,280,600.52

Finding the Fourth Proportional to 8,322,985.71, 12,484,420.25 and 4,280,600.52

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Solution

The fourth proportional to 8,322,985.71, 12,484,420.25 and 4,280,600.52 is: 6,420,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322,985.71 : 12,484,420.25 = 4,280,600.52 : x
  2. Step 2: Convert to fraction form
    8,322,985.71/12,484,420.25 = 4,280,600.52/x
  3. Step 3: Cross multiply
    8,322,985.71x = 12,484,420.25 × 4,280,600.52
  4. Step 4: Simplify right side
    8,322,985.71x = 53,440,815,792,645.52
  5. Step 5: Solve for x
    x = 53,440,815,792,645.52/8,322,985.71
  6. Step 6: Final answer
    x = 6,420,870.79

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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.