Home / 21,353,371-29,466,461.82-12,062,847.16

Finding the Fourth Proportional to 21,353,371, 29,466,461.82 and 12,062,847.16

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Solution

The fourth proportional to 21,353,371, 29,466,461.82 and 12,062,847.16 is: 16,646,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,371 : 29,466,461.82 = 12,062,847.16 : x
  2. Step 2: Convert to fraction form
    21,353,371/29,466,461.82 = 12,062,847.16/x
  3. Step 3: Cross multiply
    21,353,371x = 29,466,461.82 × 12,062,847.16
  4. Step 4: Simplify right side
    21,353,371x = 355,449,425,280,635.44
  5. Step 5: Solve for x
    x = 355,449,425,280,635.44/21,353,371
  6. Step 6: Final answer
    x = 16,646,056.74

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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.