Home / 43,170,623.20-64,747,640.40-12,879,474.40

Finding the Fourth Proportional to 43,170,623.20, 64,747,640.40 and 12,879,474.40

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Solution

The fourth proportional to 43,170,623.20, 64,747,640.40 and 12,879,474.40 is: 19,316,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170,623.20 : 64,747,640.40 = 12,879,474.40 : x
  2. Step 2: Convert to fraction form
    43,170,623.20/64,747,640.40 = 12,879,474.40/x
  3. Step 3: Cross multiply
    43,170,623.20x = 64,747,640.40 × 12,879,474.40
  4. Step 4: Simplify right side
    43,170,623.20x = 833,915,576,992,205.75
  5. Step 5: Solve for x
    x = 833,915,576,992,205.75/43,170,623.20
  6. Step 6: Final answer
    x = 19,316,737.06

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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.