Home / 28,750,228.65-39,670,635.96-16,987,861.53

Finding the Fourth Proportional to 28,750,228.65, 39,670,635.96 and 16,987,861.53

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Solution

The fourth proportional to 28,750,228.65, 39,670,635.96 and 16,987,861.53 is: 23,440,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750,228.65 : 39,670,635.96 = 16,987,861.53 : x
  2. Step 2: Convert to fraction form
    28,750,228.65/39,670,635.96 = 16,987,861.53/x
  3. Step 3: Cross multiply
    28,750,228.65x = 39,670,635.96 × 16,987,861.53
  4. Step 4: Simplify right side
    28,750,228.65x = 673,919,270,495,518.62
  5. Step 5: Solve for x
    x = 673,919,270,495,518.62/28,750,228.65
  6. Step 6: Final answer
    x = 23,440,483.85

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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.