Home / 13,818,663.36-20,730,651.84-5,298,335.37

Finding the Fourth Proportional to 13,818,663.36, 20,730,651.84 and 5,298,335.37

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Solution

The fourth proportional to 13,818,663.36, 20,730,651.84 and 5,298,335.37 is: 7,948,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,663.36 : 20,730,651.84 = 5,298,335.37 : x
  2. Step 2: Convert to fraction form
    13,818,663.36/20,730,651.84 = 5,298,335.37/x
  3. Step 3: Cross multiply
    13,818,663.36x = 20,730,651.84 × 5,298,335.37
  4. Step 4: Simplify right side
    13,818,663.36x = 109,837,945,887,027.58
  5. Step 5: Solve for x
    x = 109,837,945,887,027.58/13,818,663.36
  6. Step 6: Final answer
    x = 7,948,521.72

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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.