Home / 47,954,613.70-71,931,920.55-17,658,540.10

Finding the Fourth Proportional to 47,954,613.70, 71,931,920.55 and 17,658,540.10

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Solution

The fourth proportional to 47,954,613.70, 71,931,920.55 and 17,658,540.10 is: 26,487,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,613.70 : 71,931,920.55 = 17,658,540.10 : x
  2. Step 2: Convert to fraction form
    47,954,613.70/71,931,920.55 = 17,658,540.10/x
  3. Step 3: Cross multiply
    47,954,613.70x = 71,931,920.55 × 17,658,540.10
  4. Step 4: Simplify right side
    47,954,613.70x = 1,270,212,703,502,189
  5. Step 5: Solve for x
    x = 1,270,212,703,502,189/47,954,613.70
  6. Step 6: Final answer
    x = 26,487,810.15

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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.