Home / 8,221,720.28-12,333,409.82-2,829,661.24

Finding the Fourth Proportional to 8,221,720.28, 12,333,409.82 and 2,829,661.24

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Solution

The fourth proportional to 8,221,720.28, 12,333,409.82 and 2,829,661.24 is: 4,244,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,720.28 : 12,333,409.82 = 2,829,661.24 : x
  2. Step 2: Convert to fraction form
    8,221,720.28/12,333,409.82 = 2,829,661.24/x
  3. Step 3: Cross multiply
    8,221,720.28x = 12,333,409.82 × 2,829,661.24
  4. Step 4: Simplify right side
    8,221,720.28x = 34,899,371,724,689.38
  5. Step 5: Solve for x
    x = 34,899,371,724,689.38/8,221,720.28
  6. Step 6: Final answer
    x = 4,244,777.31

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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.