Home / 13,818,677.72-20,730,673.37-5,298,349.73

Finding the Fourth Proportional to 13,818,677.72, 20,730,673.37 and 5,298,349.73

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Solution

The fourth proportional to 13,818,677.72, 20,730,673.37 and 5,298,349.73 is: 7,948,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,677.72 : 20,730,673.37 = 5,298,349.73 : x
  2. Step 2: Convert to fraction form
    13,818,677.72/20,730,673.37 = 5,298,349.73/x
  3. Step 3: Cross multiply
    13,818,677.72x = 20,730,673.37 × 5,298,349.73
  4. Step 4: Simplify right side
    13,818,677.72x = 109,838,357,522,512.56
  5. Step 5: Solve for x
    x = 109,838,357,522,512.56/13,818,677.72
  6. Step 6: Final answer
    x = 7,948,543.25

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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.