Home / 15,485,188.46-21,370,108.88-8,516,404.80

Finding the Fourth Proportional to 15,485,188.46, 21,370,108.88 and 8,516,404.80

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Solution

The fourth proportional to 15,485,188.46, 21,370,108.88 and 8,516,404.80 is: 11,752,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,188.46 : 21,370,108.88 = 8,516,404.80 : x
  2. Step 2: Convert to fraction form
    15,485,188.46/21,370,108.88 = 8,516,404.80/x
  3. Step 3: Cross multiply
    15,485,188.46x = 21,370,108.88 × 8,516,404.80
  4. Step 4: Simplify right side
    15,485,188.46x = 181,996,497,692,722.06
  5. Step 5: Solve for x
    x = 181,996,497,692,722.06/15,485,188.46
  6. Step 6: Final answer
    x = 11,752,940.44

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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.