Home / 8,947,256.80-12,347,355-4,872,872.56

Finding the Fourth Proportional to 8,947,256.80, 12,347,355 and 4,872,872.56

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Solution

The fourth proportional to 8,947,256.80, 12,347,355 and 4,872,872.56 is: 6,724,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947,256.80 : 12,347,355 = 4,872,872.56 : x
  2. Step 2: Convert to fraction form
    8,947,256.80/12,347,355 = 4,872,872.56/x
  3. Step 3: Cross multiply
    8,947,256.80x = 12,347,355 × 4,872,872.56
  4. Step 4: Simplify right side
    8,947,256.80x = 60,167,087,368,078.80
  5. Step 5: Solve for x
    x = 60,167,087,368,078.80/8,947,256.80
  6. Step 6: Final answer
    x = 6,724,640.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.