Home / 12,974,102.72-17,904,635.51-7,173,258.96

Finding the Fourth Proportional to 12,974,102.72, 17,904,635.51 and 7,173,258.96

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Solution

The fourth proportional to 12,974,102.72, 17,904,635.51 and 7,173,258.96 is: 9,899,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,102.72 : 17,904,635.51 = 7,173,258.96 : x
  2. Step 2: Convert to fraction form
    12,974,102.72/17,904,635.51 = 7,173,258.96/x
  3. Step 3: Cross multiply
    12,974,102.72x = 17,904,635.51 × 7,173,258.96
  4. Step 4: Simplify right side
    12,974,102.72x = 128,434,587,061,775.36
  5. Step 5: Solve for x
    x = 128,434,587,061,775.36/12,974,102.72
  6. Step 6: Final answer
    x = 9,899,304.01

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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.