Home / 10,369,888.28-15,555,579.77-3,980,140.64

Finding the Fourth Proportional to 10,369,888.28, 15,555,579.77 and 3,980,140.64

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Solution

The fourth proportional to 10,369,888.28, 15,555,579.77 and 3,980,140.64 is: 5,970,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,888.28 : 15,555,579.77 = 3,980,140.64 : x
  2. Step 2: Convert to fraction form
    10,369,888.28/15,555,579.77 = 3,980,140.64/x
  3. Step 3: Cross multiply
    10,369,888.28x = 15,555,579.77 × 3,980,140.64
  4. Step 4: Simplify right side
    10,369,888.28x = 61,913,395,221,338.85
  5. Step 5: Solve for x
    x = 61,913,395,221,338.85/10,369,888.28
  6. Step 6: Final answer
    x = 5,970,497.81

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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.