Home / 30,329,139.40-45,493,709.10-15,181,102.60

Finding the Fourth Proportional to 30,329,139.40, 45,493,709.10 and 15,181,102.60

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Solution

The fourth proportional to 30,329,139.40, 45,493,709.10 and 15,181,102.60 is: 22,771,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,139.40 : 45,493,709.10 = 15,181,102.60 : x
  2. Step 2: Convert to fraction form
    30,329,139.40/45,493,709.10 = 15,181,102.60/x
  3. Step 3: Cross multiply
    30,329,139.40x = 45,493,709.10 × 15,181,102.60
  4. Step 4: Simplify right side
    30,329,139.40x = 690,644,665,501,653.62
  5. Step 5: Solve for x
    x = 690,644,665,501,653.62/30,329,139.40
  6. Step 6: Final answer
    x = 22,771,653.90

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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.