Home / 8,689,969.80-13,039,620.30-3,641,790.60

Finding the Fourth Proportional to 8,689,969.80, 13,039,620.30 and 3,641,790.60

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Solution

The fourth proportional to 8,689,969.80, 13,039,620.30 and 3,641,790.60 is: 5,464,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,969.80 : 13,039,620.30 = 3,641,790.60 : x
  2. Step 2: Convert to fraction form
    8,689,969.80/13,039,620.30 = 3,641,790.60/x
  3. Step 3: Cross multiply
    8,689,969.80x = 13,039,620.30 × 3,641,790.60
  4. Step 4: Simplify right side
    8,689,969.80x = 47,487,566,636,109.19
  5. Step 5: Solve for x
    x = 47,487,566,636,109.19/8,689,969.80
  6. Step 6: Final answer
    x = 5,464,641.16

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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.