Home / 21,553,331.80-32,334,663.30-6,408,794.20

Finding the Fourth Proportional to 21,553,331.80, 32,334,663.30 and 6,408,794.20

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Solution

The fourth proportional to 21,553,331.80, 32,334,663.30 and 6,408,794.20 is: 9,614,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,331.80 : 32,334,663.30 = 6,408,794.20 : x
  2. Step 2: Convert to fraction form
    21,553,331.80/32,334,663.30 = 6,408,794.20/x
  3. Step 3: Cross multiply
    21,553,331.80x = 32,334,663.30 × 6,408,794.20
  4. Step 4: Simplify right side
    21,553,331.80x = 207,226,202,615,992.88
  5. Step 5: Solve for x
    x = 207,226,202,615,992.88/21,553,331.80
  6. Step 6: Final answer
    x = 9,614,578.60

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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.