Home / 20,536,423.48-28,339,140.09-11,242,195.93

Finding the Fourth Proportional to 20,536,423.48, 28,339,140.09 and 11,242,195.93

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Solution

The fourth proportional to 20,536,423.48, 28,339,140.09 and 11,242,195.93 is: 15,513,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,423.48 : 28,339,140.09 = 11,242,195.93 : x
  2. Step 2: Convert to fraction form
    20,536,423.48/28,339,140.09 = 11,242,195.93/x
  3. Step 3: Cross multiply
    20,536,423.48x = 28,339,140.09 × 11,242,195.93
  4. Step 4: Simplify right side
    20,536,423.48x = 318,594,165,379,497.81
  5. Step 5: Solve for x
    x = 318,594,165,379,497.81/20,536,423.48
  6. Step 6: Final answer
    x = 15,513,614.90

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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.