Home / 8,305,715.19-12,434,445.78-4,836,878.65

Finding the Fourth Proportional to 8,305,715.19, 12,434,445.78 and 4,836,878.65

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Solution

The fourth proportional to 8,305,715.19, 12,434,445.78 and 4,836,878.65 is: 7,241,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,715.19 : 12,434,445.78 = 4,836,878.65 : x
  2. Step 2: Convert to fraction form
    8,305,715.19/12,434,445.78 = 4,836,878.65/x
  3. Step 3: Cross multiply
    8,305,715.19x = 12,434,445.78 × 4,836,878.65
  4. Step 4: Simplify right side
    8,305,715.19x = 60,143,905,315,269.36
  5. Step 5: Solve for x
    x = 60,143,905,315,269.36/8,305,715.19
  6. Step 6: Final answer
    x = 7,241,267.48

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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.