Home / 11,660,822.28-16,091,828.01-6,433,878.60

Finding the Fourth Proportional to 11,660,822.28, 16,091,828.01 and 6,433,878.60

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Solution

The fourth proportional to 11,660,822.28, 16,091,828.01 and 6,433,878.60 is: 8,878,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660,822.28 : 16,091,828.01 = 6,433,878.60 : x
  2. Step 2: Convert to fraction form
    11,660,822.28/16,091,828.01 = 6,433,878.60/x
  3. Step 3: Cross multiply
    11,660,822.28x = 16,091,828.01 × 6,433,878.60
  4. Step 4: Simplify right side
    11,660,822.28x = 103,532,867,868,419.58
  5. Step 5: Solve for x
    x = 103,532,867,868,419.58/11,660,822.28
  6. Step 6: Final answer
    x = 8,878,693.58

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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.