Home / 13,512,187.35-18,646,836.52-7,317,244.74

Finding the Fourth Proportional to 13,512,187.35, 18,646,836.52 and 7,317,244.74

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Solution

The fourth proportional to 13,512,187.35, 18,646,836.52 and 7,317,244.74 is: 10,097,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,187.35 : 18,646,836.52 = 7,317,244.74 : x
  2. Step 2: Convert to fraction form
    13,512,187.35/18,646,836.52 = 7,317,244.74/x
  3. Step 3: Cross multiply
    13,512,187.35x = 18,646,836.52 × 7,317,244.74
  4. Step 4: Simplify right side
    13,512,187.35x = 136,443,466,443,609.91
  5. Step 5: Solve for x
    x = 136,443,466,443,609.91/13,512,187.35
  6. Step 6: Final answer
    x = 10,097,807.48

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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.