Home / 15,658,595.10-21,608,817-8,690,324.70

Finding the Fourth Proportional to 15,658,595.10, 21,608,817 and 8,690,324.70

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Solution

The fourth proportional to 15,658,595.10, 21,608,817 and 8,690,324.70 is: 11,992,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658,595.10 : 21,608,817 = 8,690,324.70 : x
  2. Step 2: Convert to fraction form
    15,658,595.10/21,608,817 = 8,690,324.70/x
  3. Step 3: Cross multiply
    15,658,595.10x = 21,608,817 × 8,690,324.70
  4. Step 4: Simplify right side
    15,658,595.10x = 187,787,636,112,879.88
  5. Step 5: Solve for x
    x = 187,787,636,112,879.88/15,658,595.10
  6. Step 6: Final answer
    x = 11,992,623.53

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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.