Home / 14,907,361.20-20,571,681.96-8,381,266.80

Finding the Fourth Proportional to 14,907,361.20, 20,571,681.96 and 8,381,266.80

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Solution

The fourth proportional to 14,907,361.20, 20,571,681.96 and 8,381,266.80 is: 11,565,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907,361.20 : 20,571,681.96 = 8,381,266.80 : x
  2. Step 2: Convert to fraction form
    14,907,361.20/20,571,681.96 = 8,381,266.80/x
  3. Step 3: Cross multiply
    14,907,361.20x = 20,571,681.96 × 8,381,266.80
  4. Step 4: Simplify right side
    14,907,361.20x = 172,416,755,031,506.94
  5. Step 5: Solve for x
    x = 172,416,755,031,506.94/14,907,361.20
  6. Step 6: Final answer
    x = 11,565,880.29

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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.