Home / 15,317,687.26-21,137,786.20-8,348,216.84

Finding the Fourth Proportional to 15,317,687.26, 21,137,786.20 and 8,348,216.84

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Solution

The fourth proportional to 15,317,687.26, 21,137,786.20 and 8,348,216.84 is: 11,520,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,687.26 : 21,137,786.20 = 8,348,216.84 : x
  2. Step 2: Convert to fraction form
    15,317,687.26/21,137,786.20 = 8,348,216.84/x
  3. Step 3: Cross multiply
    15,317,687.26x = 21,137,786.20 × 8,348,216.84
  4. Step 4: Simplify right side
    15,317,687.26x = 176,462,822,715,159.59
  5. Step 5: Solve for x
    x = 176,462,822,715,159.59/15,317,687.26
  6. Step 6: Final answer
    x = 11,520,200.13

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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.