Home / 12,145,258.68-16,753,823.37-7,789,498.26

Finding the Fourth Proportional to 12,145,258.68, 16,753,823.37 and 7,789,498.26

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Solution

The fourth proportional to 12,145,258.68, 16,753,823.37 and 7,789,498.26 is: 10,745,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,258.68 : 16,753,823.37 = 7,789,498.26 : x
  2. Step 2: Convert to fraction form
    12,145,258.68/16,753,823.37 = 7,789,498.26/x
  3. Step 3: Cross multiply
    12,145,258.68x = 16,753,823.37 × 7,789,498.26
  4. Step 4: Simplify right side
    12,145,258.68x = 130,503,877,988,962.33
  5. Step 5: Solve for x
    x = 130,503,877,988,962.33/12,145,258.68
  6. Step 6: Final answer
    x = 10,745,253.06

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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.