Home / 15,183,816.82-20,953,667.22-8,308,298.88

Finding the Fourth Proportional to 15,183,816.82, 20,953,667.22 and 8,308,298.88

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Solution

The fourth proportional to 15,183,816.82, 20,953,667.22 and 8,308,298.88 is: 11,465,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,816.82 : 20,953,667.22 = 8,308,298.88 : x
  2. Step 2: Convert to fraction form
    15,183,816.82/20,953,667.22 = 8,308,298.88/x
  3. Step 3: Cross multiply
    15,183,816.82x = 20,953,667.22 × 8,308,298.88
  4. Step 4: Simplify right side
    15,183,816.82x = 174,089,329,895,818.69
  5. Step 5: Solve for x
    x = 174,089,329,895,818.69/15,183,816.82
  6. Step 6: Final answer
    x = 11,465,452.46

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1.5x scale

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.