Home / 13,752,481.20-20,613,655.80-6,918,154.80

Finding the Fourth Proportional to 13,752,481.20, 20,613,655.80 and 6,918,154.80

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Solution

The fourth proportional to 13,752,481.20, 20,613,655.80 and 6,918,154.80 is: 10,369,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,481.20 : 20,613,655.80 = 6,918,154.80 : x
  2. Step 2: Convert to fraction form
    13,752,481.20/20,613,655.80 = 6,918,154.80/x
  3. Step 3: Cross multiply
    13,752,481.20x = 20,613,655.80 × 6,918,154.80
  4. Step 4: Simplify right side
    13,752,481.20x = 142,608,461,818,317.84
  5. Step 5: Solve for x
    x = 142,608,461,818,317.84/13,752,481.20
  6. Step 6: Final answer
    x = 10,369,653.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.