Home / 21,985,946.32-32,979,131.88-8,335,421.68

Finding the Fourth Proportional to 21,985,946.32, 32,979,131.88 and 8,335,421.68

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Solution

The fourth proportional to 21,985,946.32, 32,979,131.88 and 8,335,421.68 is: 12,503,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,946.32 : 32,979,131.88 = 8,335,421.68 : x
  2. Step 2: Convert to fraction form
    21,985,946.32/32,979,131.88 = 8,335,421.68/x
  3. Step 3: Cross multiply
    21,985,946.32x = 32,979,131.88 × 8,335,421.68
  4. Step 4: Simplify right side
    21,985,946.32x = 274,894,970,860,131.12
  5. Step 5: Solve for x
    x = 274,894,970,860,131.12/21,985,946.32
  6. Step 6: Final answer
    x = 12,503,213.05

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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.