Home / 13,512,195.85-18,646,848.26-7,317,253.26

Finding the Fourth Proportional to 13,512,195.85, 18,646,848.26 and 7,317,253.26

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Solution

The fourth proportional to 13,512,195.85, 18,646,848.26 and 7,317,253.26 is: 10,097,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,195.85 : 18,646,848.26 = 7,317,253.26 : x
  2. Step 2: Convert to fraction form
    13,512,195.85/18,646,848.26 = 7,317,253.26/x
  3. Step 3: Cross multiply
    13,512,195.85x = 18,646,848.26 × 7,317,253.26
  4. Step 4: Simplify right side
    13,512,195.85x = 136,443,711,219,210.33
  5. Step 5: Solve for x
    x = 136,443,711,219,210.33/13,512,195.85
  6. Step 6: Final answer
    x = 10,097,819.24

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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.