Home / 21,563,102.90-32,325,758.67-8,109,378.74

Finding the Fourth Proportional to 21,563,102.90, 32,325,758.67 and 8,109,378.74

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Solution

The fourth proportional to 21,563,102.90, 32,325,758.67 and 8,109,378.74 is: 12,156,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,102.90 : 32,325,758.67 = 8,109,378.74 : x
  2. Step 2: Convert to fraction form
    21,563,102.90/32,325,758.67 = 8,109,378.74/x
  3. Step 3: Cross multiply
    21,563,102.90x = 32,325,758.67 × 8,109,378.74
  4. Step 4: Simplify right side
    21,563,102.90x = 262,141,820,224,093.22
  5. Step 5: Solve for x
    x = 262,141,820,224,093.22/21,563,102.90
  6. Step 6: Final answer
    x = 12,156,961.89

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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.