Home / 8,876,998.20-13,315,497.30-8,528,633.40

Finding the Fourth Proportional to 8,876,998.20, 13,315,497.30 and 8,528,633.40

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Solution

The fourth proportional to 8,876,998.20, 13,315,497.30 and 8,528,633.40 is: 12,792,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,998.20 : 13,315,497.30 = 8,528,633.40 : x
  2. Step 2: Convert to fraction form
    8,876,998.20/13,315,497.30 = 8,528,633.40/x
  3. Step 3: Cross multiply
    8,876,998.20x = 13,315,497.30 × 8,528,633.40
  4. Step 4: Simplify right side
    8,876,998.20x = 113,562,995,010,389.83
  5. Step 5: Solve for x
    x = 113,562,995,010,389.83/8,876,998.20
  6. Step 6: Final answer
    x = 12,792,950.10

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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.