Home / 28,469,271.24-39,290,404.50-16,247,956.68

Finding the Fourth Proportional to 28,469,271.24, 39,290,404.50 and 16,247,956.68

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Solution

The fourth proportional to 28,469,271.24, 39,290,404.50 and 16,247,956.68 is: 22,423,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,271.24 : 39,290,404.50 = 16,247,956.68 : x
  2. Step 2: Convert to fraction form
    28,469,271.24/39,290,404.50 = 16,247,956.68/x
  3. Step 3: Cross multiply
    28,469,271.24x = 39,290,404.50 × 16,247,956.68
  4. Step 4: Simplify right side
    28,469,271.24x = 638,388,790,255,677
  5. Step 5: Solve for x
    x = 638,388,790,255,677/28,469,271.24
  6. Step 6: Final answer
    x = 22,423,784.05

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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.