Home / 39,031,613.67-53,864,807.76-21,626,330.43

Finding the Fourth Proportional to 39,031,613.67, 53,864,807.76 and 21,626,330.43

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Solution

The fourth proportional to 39,031,613.67, 53,864,807.76 and 21,626,330.43 is: 29,844,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031,613.67 : 53,864,807.76 = 21,626,330.43 : x
  2. Step 2: Convert to fraction form
    39,031,613.67/53,864,807.76 = 21,626,330.43/x
  3. Step 3: Cross multiply
    39,031,613.67x = 53,864,807.76 × 21,626,330.43
  4. Step 4: Simplify right side
    39,031,613.67x = 1,164,898,131,166,188
  5. Step 5: Solve for x
    x = 1,164,898,131,166,188/39,031,613.67
  6. Step 6: Final answer
    x = 29,844,990.29

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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.