Home / 28,642,522.08-39,527,535.89-17,635,621.72

Finding the Fourth Proportional to 28,642,522.08, 39,527,535.89 and 17,635,621.72

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Solution

The fourth proportional to 28,642,522.08, 39,527,535.89 and 17,635,621.72 is: 24,337,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,522.08 : 39,527,535.89 = 17,635,621.72 : x
  2. Step 2: Convert to fraction form
    28,642,522.08/39,527,535.89 = 17,635,621.72/x
  3. Step 3: Cross multiply
    28,642,522.08x = 39,527,535.89 × 17,635,621.72
  4. Step 4: Simplify right side
    28,642,522.08x = 697,092,670,479,763.50
  5. Step 5: Solve for x
    x = 697,092,670,479,763.50/28,642,522.08
  6. Step 6: Final answer
    x = 24,337,684.67

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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.