Home / 25,862,912.40-38,792,962.20-7,912,016.40

Finding the Fourth Proportional to 25,862,912.40, 38,792,962.20 and 7,912,016.40

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Solution

The fourth proportional to 25,862,912.40, 38,792,962.20 and 7,912,016.40 is: 11,867,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862,912.40 : 38,792,962.20 = 7,912,016.40 : x
  2. Step 2: Convert to fraction form
    25,862,912.40/38,792,962.20 = 7,912,016.40/x
  3. Step 3: Cross multiply
    25,862,912.40x = 38,792,962.20 × 7,912,016.40
  4. Step 4: Simplify right side
    25,862,912.40x = 306,930,553,130,980.12
  5. Step 5: Solve for x
    x = 306,930,553,130,980.12/25,862,912.40
  6. Step 6: Final answer
    x = 11,867,594.35

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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.