Home / 11,339,820.80-17,009,731.20-9,922,644.80

Finding the Fourth Proportional to 11,339,820.80, 17,009,731.20 and 9,922,644.80

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Solution

The fourth proportional to 11,339,820.80, 17,009,731.20 and 9,922,644.80 is: 14,883,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339,820.80 : 17,009,731.20 = 9,922,644.80 : x
  2. Step 2: Convert to fraction form
    11,339,820.80/17,009,731.20 = 9,922,644.80/x
  3. Step 3: Cross multiply
    11,339,820.80x = 17,009,731.20 × 9,922,644.80
  4. Step 4: Simplify right side
    11,339,820.80x = 168,781,520,841,077.75
  5. Step 5: Solve for x
    x = 168,781,520,841,077.75/11,339,820.80
  6. Step 6: Final answer
    x = 14,883,967.20

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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.