Home / 30,491,732.85-45,737,598.12-8,926,334.53

Finding the Fourth Proportional to 30,491,732.85, 45,737,598.12 and 8,926,334.53

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Solution

The fourth proportional to 30,491,732.85, 45,737,598.12 and 8,926,334.53 is: 13,389,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491,732.85 : 45,737,598.12 = 8,926,334.53 : x
  2. Step 2: Convert to fraction form
    30,491,732.85/45,737,598.12 = 8,926,334.53/x
  3. Step 3: Cross multiply
    30,491,732.85x = 45,737,598.12 × 8,926,334.53
  4. Step 4: Simplify right side
    30,491,732.85x = 408,269,101,417,819
  5. Step 5: Solve for x
    x = 408,269,101,417,819/30,491,732.85
  6. Step 6: Final answer
    x = 13,389,501.46

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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.