Home / 13,551,451.42-20,322,866.10-4,451,437.78

Finding the Fourth Proportional to 13,551,451.42, 20,322,866.10 and 4,451,437.78

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Solution

The fourth proportional to 13,551,451.42, 20,322,866.10 and 4,451,437.78 is: 6,675,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551,451.42 : 20,322,866.10 = 4,451,437.78 : x
  2. Step 2: Convert to fraction form
    13,551,451.42/20,322,866.10 = 4,451,437.78/x
  3. Step 3: Cross multiply
    13,551,451.42x = 20,322,866.10 × 4,451,437.78
  4. Step 4: Simplify right side
    13,551,451.42x = 90,465,973,955,421.27
  5. Step 5: Solve for x
    x = 90,465,973,955,421.27/13,551,451.42
  6. Step 6: Final answer
    x = 6,675,740.56

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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.