Home / 15,504,281.50-21,395,908.47-8,630,387.41

Finding the Fourth Proportional to 15,504,281.50, 21,395,908.47 and 8,630,387.41

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Solution

The fourth proportional to 15,504,281.50, 21,395,908.47 and 8,630,387.41 is: 11,909,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,281.50 : 21,395,908.47 = 8,630,387.41 : x
  2. Step 2: Convert to fraction form
    15,504,281.50/21,395,908.47 = 8,630,387.41/x
  3. Step 3: Cross multiply
    15,504,281.50x = 21,395,908.47 × 8,630,387.41
  4. Step 4: Simplify right side
    15,504,281.50x = 184,654,979,085,000.34
  5. Step 5: Solve for x
    x = 184,654,979,085,000.34/15,504,281.50
  6. Step 6: Final answer
    x = 11,909,934.63

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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.