Home / 15,523,423.58-21,421,439.66-8,906,609.45

Finding the Fourth Proportional to 15,523,423.58, 21,421,439.66 and 8,906,609.45

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Solution

The fourth proportional to 15,523,423.58, 21,421,439.66 and 8,906,609.45 is: 12,290,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523,423.58 : 21,421,439.66 = 8,906,609.45 : x
  2. Step 2: Convert to fraction form
    15,523,423.58/21,421,439.66 = 8,906,609.45/x
  3. Step 3: Cross multiply
    15,523,423.58x = 21,421,439.66 × 8,906,609.45
  4. Step 4: Simplify right side
    15,523,423.58x = 190,792,396,756,720.56
  5. Step 5: Solve for x
    x = 190,792,396,756,720.56/15,523,423.58
  6. Step 6: Final answer
    x = 12,290,613.33

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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.