Home / 12,101,820.35-16,700,511.84-6,669,312.35

Finding the Fourth Proportional to 12,101,820.35, 16,700,511.84 and 6,669,312.35

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Solution

The fourth proportional to 12,101,820.35, 16,700,511.84 and 6,669,312.35 is: 9,203,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,820.35 : 16,700,511.84 = 6,669,312.35 : x
  2. Step 2: Convert to fraction form
    12,101,820.35/16,700,511.84 = 6,669,312.35/x
  3. Step 3: Cross multiply
    12,101,820.35x = 16,700,511.84 × 6,669,312.35
  4. Step 4: Simplify right side
    12,101,820.35x = 111,380,929,865,833.22
  5. Step 5: Solve for x
    x = 111,380,929,865,833.22/12,101,820.35
  6. Step 6: Final answer
    x = 9,203,650.91

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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.