Home / 28,397,446.24-39,191,589.78-16,478,885.37

Finding the Fourth Proportional to 28,397,446.24, 39,191,589.78 and 16,478,885.37

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Solution

The fourth proportional to 28,397,446.24, 39,191,589.78 and 16,478,885.37 is: 22,742,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,446.24 : 39,191,589.78 = 16,478,885.37 : x
  2. Step 2: Convert to fraction form
    28,397,446.24/39,191,589.78 = 16,478,885.37/x
  3. Step 3: Cross multiply
    28,397,446.24x = 39,191,589.78 × 16,478,885.37
  4. Step 4: Simplify right side
    28,397,446.24x = 645,833,715,452,683.50
  5. Step 5: Solve for x
    x = 645,833,715,452,683.50/28,397,446.24
  6. Step 6: Final answer
    x = 22,742,668.83

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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.