Home / 11,866,228.16-17,788,786.08-4,291,509.76

Finding the Fourth Proportional to 11,866,228.16, 17,788,786.08 and 4,291,509.76

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Solution

The fourth proportional to 11,866,228.16, 17,788,786.08 and 4,291,509.76 is: 6,433,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866,228.16 : 17,788,786.08 = 4,291,509.76 : x
  2. Step 2: Convert to fraction form
    11,866,228.16/17,788,786.08 = 4,291,509.76/x
  3. Step 3: Cross multiply
    11,866,228.16x = 17,788,786.08 × 4,291,509.76
  4. Step 4: Simplify right side
    11,866,228.16x = 76,340,749,080,872.12
  5. Step 5: Solve for x
    x = 76,340,749,080,872.12/11,866,228.16
  6. Step 6: Final answer
    x = 6,433,446.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.