Home / 8,217,166.90-12,299,916.75-5,643,310.90

Finding the Fourth Proportional to 8,217,166.90, 12,299,916.75 and 5,643,310.90

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Solution

The fourth proportional to 8,217,166.90, 12,299,916.75 and 5,643,310.90 is: 8,447,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217,166.90 : 12,299,916.75 = 5,643,310.90 : x
  2. Step 2: Convert to fraction form
    8,217,166.90/12,299,916.75 = 5,643,310.90/x
  3. Step 3: Cross multiply
    8,217,166.90x = 12,299,916.75 × 5,643,310.90
  4. Step 4: Simplify right side
    8,217,166.90x = 69,412,254,264,367.58
  5. Step 5: Solve for x
    x = 69,412,254,264,367.58/8,217,166.90
  6. Step 6: Final answer
    x = 8,447,224.59

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1.5x scale

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.