Home / 11,889,838.89-16,408,989.59-6,734,117.61

Finding the Fourth Proportional to 11,889,838.89, 16,408,989.59 and 6,734,117.61

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Solution

The fourth proportional to 11,889,838.89, 16,408,989.59 and 6,734,117.61 is: 9,293,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,838.89 : 16,408,989.59 = 6,734,117.61 : x
  2. Step 2: Convert to fraction form
    11,889,838.89/16,408,989.59 = 6,734,117.61/x
  3. Step 3: Cross multiply
    11,889,838.89x = 16,408,989.59 × 6,734,117.61
  4. Step 4: Simplify right side
    11,889,838.89x = 110,500,065,726,655.11
  5. Step 5: Solve for x
    x = 110,500,065,726,655.11/11,889,838.89
  6. Step 6: Final answer
    x = 9,293,655.43

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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.