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Finding the Fourth Proportional to 6,533,650.80, 9,781,813.80 and 5,861,804.40

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Solution

The fourth proportional to 6,533,650.80, 9,781,813.80 and 5,861,804.40 is: 8,775,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,533,650.80 : 9,781,813.80 = 5,861,804.40 : x
  2. Step 2: Convert to fraction form
    6,533,650.80/9,781,813.80 = 5,861,804.40/x
  3. Step 3: Cross multiply
    6,533,650.80x = 9,781,813.80 × 5,861,804.40
  4. Step 4: Simplify right side
    6,533,650.80x = 57,339,079,172,820.73
  5. Step 5: Solve for x
    x = 57,339,079,172,820.73/6,533,650.80
  6. Step 6: Final answer
    x = 8,775,963.23

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1.5x scale

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.