Home / 12,101,820.10-16,700,511.50-6,669,312.10

Finding the Fourth Proportional to 12,101,820.10, 16,700,511.50 and 6,669,312.10

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Solution

The fourth proportional to 12,101,820.10, 16,700,511.50 and 6,669,312.10 is: 9,203,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,820.10 : 16,700,511.50 = 6,669,312.10 : x
  2. Step 2: Convert to fraction form
    12,101,820.10/16,700,511.50 = 6,669,312.10/x
  3. Step 3: Cross multiply
    12,101,820.10x = 16,700,511.50 × 6,669,312.10
  4. Step 4: Simplify right side
    12,101,820.10x = 111,380,923,389,792.58
  5. Step 5: Solve for x
    x = 111,380,923,389,792.58/12,101,820.10
  6. Step 6: Final answer
    x = 9,203,650.56

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1.5x scale

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.