Home / 25,675,768.80-38,515,402.80-8,166,938.40

Finding the Fourth Proportional to 25,675,768.80, 38,515,402.80 and 8,166,938.40

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Solution

The fourth proportional to 25,675,768.80, 38,515,402.80 and 8,166,938.40 is: 12,250,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675,768.80 : 38,515,402.80 = 8,166,938.40 : x
  2. Step 2: Convert to fraction form
    25,675,768.80/38,515,402.80 = 8,166,938.40/x
  3. Step 3: Cross multiply
    25,675,768.80x = 38,515,402.80 × 8,166,938.40
  4. Step 4: Simplify right side
    25,675,768.80x = 314,552,922,118,787.50
  5. Step 5: Solve for x
    x = 314,552,922,118,787.50/25,675,768.80
  6. Step 6: Final answer
    x = 12,250,964.11

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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.