Home / 15,641,504.31-21,586,553.78-8,674,363.83

Finding the Fourth Proportional to 15,641,504.31, 21,586,553.78 and 8,674,363.83

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Solution

The fourth proportional to 15,641,504.31, 21,586,553.78 and 8,674,363.83 is: 11,971,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,504.31 : 21,586,553.78 = 8,674,363.83 : x
  2. Step 2: Convert to fraction form
    15,641,504.31/21,586,553.78 = 8,674,363.83/x
  3. Step 3: Cross multiply
    15,641,504.31x = 21,586,553.78 × 8,674,363.83
  4. Step 4: Simplify right side
    15,641,504.31x = 187,249,621,280,209.94
  5. Step 5: Solve for x
    x = 187,249,621,280,209.94/15,641,504.31
  6. Step 6: Final answer
    x = 11,971,330.73

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1.5x scale

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.