Home / 13,818,677.11-20,730,672.48-5,298,349.12

Finding the Fourth Proportional to 13,818,677.11, 20,730,672.48 and 5,298,349.12

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Solution

The fourth proportional to 13,818,677.11, 20,730,672.48 and 5,298,349.12 is: 7,948,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,677.11 : 20,730,672.48 = 5,298,349.12 : x
  2. Step 2: Convert to fraction form
    13,818,677.11/20,730,672.48 = 5,298,349.12/x
  3. Step 3: Cross multiply
    13,818,677.11x = 20,730,672.48 × 5,298,349.12
  4. Step 4: Simplify right side
    13,818,677.11x = 109,838,340,291,416.22
  5. Step 5: Solve for x
    x = 109,838,340,291,416.22/13,818,677.11
  6. Step 6: Final answer
    x = 7,948,542.35

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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.