Home / 40,500,814.42-55,891,272.02-21,915,954.74

Finding the Fourth Proportional to 40,500,814.42, 55,891,272.02 and 21,915,954.74

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Solution

The fourth proportional to 40,500,814.42, 55,891,272.02 and 21,915,954.74 is: 30,244,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,814.42 : 55,891,272.02 = 21,915,954.74 : x
  2. Step 2: Convert to fraction form
    40,500,814.42/55,891,272.02 = 21,915,954.74/x
  3. Step 3: Cross multiply
    40,500,814.42x = 55,891,272.02 × 21,915,954.74
  4. Step 4: Simplify right side
    40,500,814.42x = 1,224,910,587,671,892
  5. Step 5: Solve for x
    x = 1,224,910,587,671,892/40,500,814.42
  6. Step 6: Final answer
    x = 30,244,097.69

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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.