Home / 40,553,514.60-55,963,610.62-21,969,008.93

Finding the Fourth Proportional to 40,553,514.60, 55,963,610.62 and 21,969,008.93

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Solution

The fourth proportional to 40,553,514.60, 55,963,610.62 and 21,969,008.93 is: 30,317,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553,514.60 : 55,963,610.62 = 21,969,008.93 : x
  2. Step 2: Convert to fraction form
    40,553,514.60/55,963,610.62 = 21,969,008.93/x
  3. Step 3: Cross multiply
    40,553,514.60x = 55,963,610.62 × 21,969,008.93
  4. Step 4: Simplify right side
    40,553,514.60x = 1,229,465,061,674,407
  5. Step 5: Solve for x
    x = 1,229,465,061,674,407/40,553,514.60
  6. Step 6: Final answer
    x = 30,317,102.57

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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.