Home / 8,122,603.20-12,183,904.80-6,528,280.20

Finding the Fourth Proportional to 8,122,603.20, 12,183,904.80 and 6,528,280.20

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Solution

The fourth proportional to 8,122,603.20, 12,183,904.80 and 6,528,280.20 is: 9,792,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,603.20 : 12,183,904.80 = 6,528,280.20 : x
  2. Step 2: Convert to fraction form
    8,122,603.20/12,183,904.80 = 6,528,280.20/x
  3. Step 3: Cross multiply
    8,122,603.20x = 12,183,904.80 × 6,528,280.20
  4. Step 4: Simplify right side
    8,122,603.20x = 79,539,944,464,524.97
  5. Step 5: Solve for x
    x = 79,539,944,464,524.97/8,122,603.20
  6. Step 6: Final answer
    x = 9,792,420.30

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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.