Home / 13,818,664.86-20,730,654.09-5,298,336.87

Finding the Fourth Proportional to 13,818,664.86, 20,730,654.09 and 5,298,336.87

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Solution

The fourth proportional to 13,818,664.86, 20,730,654.09 and 5,298,336.87 is: 7,948,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,664.86 : 20,730,654.09 = 5,298,336.87 : x
  2. Step 2: Convert to fraction form
    13,818,664.86/20,730,654.09 = 5,298,336.87/x
  3. Step 3: Cross multiply
    13,818,664.86x = 20,730,654.09 × 5,298,336.87
  4. Step 4: Simplify right side
    13,818,664.86x = 109,837,988,904,263.30
  5. Step 5: Solve for x
    x = 109,837,988,904,263.30/13,818,664.86
  6. Step 6: Final answer
    x = 7,948,523.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.