Home / 21,929,468-30,276,390.48-14,092,158.56

Finding the Fourth Proportional to 21,929,468, 30,276,390.48 and 14,092,158.56

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Solution

The fourth proportional to 21,929,468, 30,276,390.48 and 14,092,158.56 is: 19,455,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929,468 : 30,276,390.48 = 14,092,158.56 : x
  2. Step 2: Convert to fraction form
    21,929,468/30,276,390.48 = 14,092,158.56/x
  3. Step 3: Cross multiply
    21,929,468x = 30,276,390.48 × 14,092,158.56
  4. Step 4: Simplify right side
    21,929,468x = 426,659,695,268,634.50
  5. Step 5: Solve for x
    x = 426,659,695,268,634.50/21,929,468
  6. Step 6: Final answer
    x = 19,455,998.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.