Home / 15,816,893.04-21,828,253.68-8,942,014.80

Finding the Fourth Proportional to 15,816,893.04, 21,828,253.68 and 8,942,014.80

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Solution

The fourth proportional to 15,816,893.04, 21,828,253.68 and 8,942,014.80 is: 12,340,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816,893.04 : 21,828,253.68 = 8,942,014.80 : x
  2. Step 2: Convert to fraction form
    15,816,893.04/21,828,253.68 = 8,942,014.80/x
  3. Step 3: Cross multiply
    15,816,893.04x = 21,828,253.68 × 8,942,014.80
  4. Step 4: Simplify right side
    15,816,893.04x = 195,188,567,464,714.47
  5. Step 5: Solve for x
    x = 195,188,567,464,714.47/15,816,893.04
  6. Step 6: Final answer
    x = 12,340,512.58

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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.