Home / 21,311,716.80-31,941,331.20-14,488,276.80

Finding the Fourth Proportional to 21,311,716.80, 31,941,331.20 and 14,488,276.80

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Solution

The fourth proportional to 21,311,716.80, 31,941,331.20 and 14,488,276.80 is: 21,714,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,311,716.80 : 31,941,331.20 = 14,488,276.80 : x
  2. Step 2: Convert to fraction form
    21,311,716.80/31,941,331.20 = 14,488,276.80/x
  3. Step 3: Cross multiply
    21,311,716.80x = 31,941,331.20 × 14,488,276.80
  4. Step 4: Simplify right side
    21,311,716.80x = 462,774,847,786,076.19
  5. Step 5: Solve for x
    x = 462,774,847,786,076.19/21,311,716.80
  6. Step 6: Final answer
    x = 21,714,573.82

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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.