Home / 12,101,656.15-16,700,285.84-6,669,148.15

Finding the Fourth Proportional to 12,101,656.15, 16,700,285.84 and 6,669,148.15

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Solution

The fourth proportional to 12,101,656.15, 16,700,285.84 and 6,669,148.15 is: 9,203,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,656.15 : 16,700,285.84 = 6,669,148.15 : x
  2. Step 2: Convert to fraction form
    12,101,656.15/16,700,285.84 = 6,669,148.15/x
  3. Step 3: Cross multiply
    12,101,656.15x = 16,700,285.84 × 6,669,148.15
  4. Step 4: Simplify right side
    12,101,656.15x = 111,376,680,401,836.83
  5. Step 5: Solve for x
    x = 111,376,680,401,836.83/12,101,656.15
  6. Step 6: Final answer
    x = 9,203,424.64

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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.