Home / 30,098,530.72-45,159,758.96-9,631,403.76

Finding the Fourth Proportional to 30,098,530.72, 45,159,758.96 and 9,631,403.76

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Solution

The fourth proportional to 30,098,530.72, 45,159,758.96 and 9,631,403.76 is: 14,450,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098,530.72 : 45,159,758.96 = 9,631,403.76 : x
  2. Step 2: Convert to fraction form
    30,098,530.72/45,159,758.96 = 9,631,403.76/x
  3. Step 3: Cross multiply
    30,098,530.72x = 45,159,758.96 × 9,631,403.76
  4. Step 4: Simplify right side
    30,098,530.72x = 434,951,872,248,037.69
  5. Step 5: Solve for x
    x = 434,951,872,248,037.69/30,098,530.72
  6. Step 6: Final answer
    x = 14,450,933.71

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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.