Home / 7,974,862.30-11,961,713.08-3,116,258.74

Finding the Fourth Proportional to 7,974,862.30, 11,961,713.08 and 3,116,258.74

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Solution

The fourth proportional to 7,974,862.30, 11,961,713.08 and 3,116,258.74 is: 4,674,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,862.30 : 11,961,713.08 = 3,116,258.74 : x
  2. Step 2: Convert to fraction form
    7,974,862.30/11,961,713.08 = 3,116,258.74/x
  3. Step 3: Cross multiply
    7,974,862.30x = 11,961,713.08 × 3,116,258.74
  4. Step 4: Simplify right side
    7,974,862.30x = 37,275,792,930,922.32
  5. Step 5: Solve for x
    x = 37,275,792,930,922.32/7,974,862.30
  6. Step 6: Final answer
    x = 4,674,161.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.