Home / 21,873,905.20-32,807,747.40-7,497,636.40

Finding the Fourth Proportional to 21,873,905.20, 32,807,747.40 and 7,497,636.40

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Solution

The fourth proportional to 21,873,905.20, 32,807,747.40 and 7,497,636.40 is: 11,245,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,905.20 : 32,807,747.40 = 7,497,636.40 : x
  2. Step 2: Convert to fraction form
    21,873,905.20/32,807,747.40 = 7,497,636.40/x
  3. Step 3: Cross multiply
    21,873,905.20x = 32,807,747.40 × 7,497,636.40
  4. Step 4: Simplify right side
    21,873,905.20x = 245,980,561,108,245.38
  5. Step 5: Solve for x
    x = 245,980,561,108,245.38/21,873,905.20
  6. Step 6: Final answer
    x = 11,245,388.46

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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.