Home / 28,762,616.10-43,143,924.15-21,204,344.10

Finding the Fourth Proportional to 28,762,616.10, 43,143,924.15 and 21,204,344.10

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Solution

The fourth proportional to 28,762,616.10, 43,143,924.15 and 21,204,344.10 is: 31,806,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762,616.10 : 43,143,924.15 = 21,204,344.10 : x
  2. Step 2: Convert to fraction form
    28,762,616.10/43,143,924.15 = 21,204,344.10/x
  3. Step 3: Cross multiply
    28,762,616.10x = 43,143,924.15 × 21,204,344.10
  4. Step 4: Simplify right side
    28,762,616.10x = 914,838,613,500,900
  5. Step 5: Solve for x
    x = 914,838,613,500,900/28,762,616.10
  6. Step 6: Final answer
    x = 31,806,516.15

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Similar ratio
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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.