Home / 12,101,826.69-16,700,521.09-6,669,318.69

Finding the Fourth Proportional to 12,101,826.69, 16,700,521.09 and 6,669,318.69

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Solution

The fourth proportional to 12,101,826.69, 16,700,521.09 and 6,669,318.69 is: 9,203,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,826.69 : 16,700,521.09 = 6,669,318.69 : x
  2. Step 2: Convert to fraction form
    12,101,826.69/16,700,521.09 = 6,669,318.69/x
  3. Step 3: Cross multiply
    12,101,826.69x = 16,700,521.09 × 6,669,318.69
  4. Step 4: Simplify right side
    12,101,826.69x = 111,381,097,438,276.17
  5. Step 5: Solve for x
    x = 111,381,097,438,276.17/12,101,826.69
  6. Step 6: Final answer
    x = 9,203,659.93

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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.