Home / 40,486,512.78-55,869,998.01-23,088,457.58

Finding the Fourth Proportional to 40,486,512.78, 55,869,998.01 and 23,088,457.58

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Solution

The fourth proportional to 40,486,512.78, 55,869,998.01 and 23,088,457.58 is: 31,861,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486,512.78 : 55,869,998.01 = 23,088,457.58 : x
  2. Step 2: Convert to fraction form
    40,486,512.78/55,869,998.01 = 23,088,457.58/x
  3. Step 3: Cross multiply
    40,486,512.78x = 55,869,998.01 × 23,088,457.58
  4. Step 4: Simplify right side
    40,486,512.78x = 1,289,952,078,769,219.25
  5. Step 5: Solve for x
    x = 1,289,952,078,769,219.25/40,486,512.78
  6. Step 6: Final answer
    x = 31,861,278.98

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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.