Home / 39,541,239.60-54,562,756.53-21,899,680.02

Finding the Fourth Proportional to 39,541,239.60, 54,562,756.53 and 21,899,680.02

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Solution

The fourth proportional to 39,541,239.60, 54,562,756.53 and 21,899,680.02 is: 30,219,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541,239.60 : 54,562,756.53 = 21,899,680.02 : x
  2. Step 2: Convert to fraction form
    39,541,239.60/54,562,756.53 = 21,899,680.02/x
  3. Step 3: Cross multiply
    39,541,239.60x = 54,562,756.53 × 21,899,680.02
  4. Step 4: Simplify right side
    39,541,239.60x = 1,194,906,909,016,165.50
  5. Step 5: Solve for x
    x = 1,194,906,909,016,165.50/39,541,239.60
  6. Step 6: Final answer
    x = 30,219,257.69

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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.