Home / 14,919,887.43-20,588,266.94-8,392,217.31

Finding the Fourth Proportional to 14,919,887.43, 20,588,266.94 and 8,392,217.31

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Solution

The fourth proportional to 14,919,887.43, 20,588,266.94 and 8,392,217.31 is: 11,580,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,887.43 : 20,588,266.94 = 8,392,217.31 : x
  2. Step 2: Convert to fraction form
    14,919,887.43/20,588,266.94 = 8,392,217.31/x
  3. Step 3: Cross multiply
    14,919,887.43x = 20,588,266.94 × 8,392,217.31
  4. Step 4: Simplify right side
    14,919,887.43x = 172,781,210,154,807.66
  5. Step 5: Solve for x
    x = 172,781,210,154,807.66/14,919,887.43
  6. Step 6: Final answer
    x = 11,580,597.44

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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.