Home / 13,818,649.86-20,730,631.59-5,298,321.84

Finding the Fourth Proportional to 13,818,649.86, 20,730,631.59 and 5,298,321.84

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Solution

The fourth proportional to 13,818,649.86, 20,730,631.59 and 5,298,321.84 is: 7,948,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,649.86 : 20,730,631.59 = 5,298,321.84 : x
  2. Step 2: Convert to fraction form
    13,818,649.86/20,730,631.59 = 5,298,321.84/x
  3. Step 3: Cross multiply
    13,818,649.86x = 20,730,631.59 × 5,298,321.84
  4. Step 4: Simplify right side
    13,818,649.86x = 109,837,558,110,290.92
  5. Step 5: Solve for x
    x = 109,837,558,110,290.92/13,818,649.86
  6. Step 6: Final answer
    x = 7,948,501.43

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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.