Home / 20,924,461.50-28,887,595.83-13,588,855.26

Finding the Fourth Proportional to 20,924,461.50, 28,887,595.83 and 13,588,855.26

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Solution

The fourth proportional to 20,924,461.50, 28,887,595.83 and 13,588,855.26 is: 18,760,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924,461.50 : 28,887,595.83 = 13,588,855.26 : x
  2. Step 2: Convert to fraction form
    20,924,461.50/28,887,595.83 = 13,588,855.26/x
  3. Step 3: Cross multiply
    20,924,461.50x = 28,887,595.83 × 13,588,855.26
  4. Step 4: Simplify right side
    20,924,461.50x = 392,549,358,543,249.56
  5. Step 5: Solve for x
    x = 392,549,358,543,249.56/20,924,461.50
  6. Step 6: Final answer
    x = 18,760,308.77

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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.