Home / 8,689,726-11,991,952.32-4,822,497.68

Finding the Fourth Proportional to 8,689,726, 11,991,952.32 and 4,822,497.68

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Solution

The fourth proportional to 8,689,726, 11,991,952.32 and 4,822,497.68 is: 6,655,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,726 : 11,991,952.32 = 4,822,497.68 : x
  2. Step 2: Convert to fraction form
    8,689,726/11,991,952.32 = 4,822,497.68/x
  3. Step 3: Cross multiply
    8,689,726x = 11,991,952.32 × 4,822,497.68
  4. Step 4: Simplify right side
    8,689,726x = 57,831,162,241,870.62
  5. Step 5: Solve for x
    x = 57,831,162,241,870.62/8,689,726
  6. Step 6: Final answer
    x = 6,655,119.19

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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.