Home / 8,315,553.61-12,473,777.54-2,636,220.79

Finding the Fourth Proportional to 8,315,553.61, 12,473,777.54 and 2,636,220.79

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Solution

The fourth proportional to 8,315,553.61, 12,473,777.54 and 2,636,220.79 is: 3,954,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,553.61 : 12,473,777.54 = 2,636,220.79 : x
  2. Step 2: Convert to fraction form
    8,315,553.61/12,473,777.54 = 2,636,220.79/x
  3. Step 3: Cross multiply
    8,315,553.61x = 12,473,777.54 × 2,636,220.79
  4. Step 4: Simplify right side
    8,315,553.61x = 32,883,631,680,783.05
  5. Step 5: Solve for x
    x = 32,883,631,680,783.05/8,315,553.61
  6. Step 6: Final answer
    x = 3,954,472.93

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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.