Home / 11,402,772.86-15,736,080.63-6,507,896.78

Finding the Fourth Proportional to 11,402,772.86, 15,736,080.63 and 6,507,896.78

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Solution

The fourth proportional to 11,402,772.86, 15,736,080.63 and 6,507,896.78 is: 8,981,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402,772.86 : 15,736,080.63 = 6,507,896.78 : x
  2. Step 2: Convert to fraction form
    11,402,772.86/15,736,080.63 = 6,507,896.78/x
  3. Step 3: Cross multiply
    11,402,772.86x = 15,736,080.63 × 6,507,896.78
  4. Step 4: Simplify right side
    11,402,772.86x = 102,408,788,383,116.98
  5. Step 5: Solve for x
    x = 102,408,788,383,116.98/11,402,772.86
  6. Step 6: Final answer
    x = 8,981,042.57

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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.