Home / 10,421,880.96-15,609,723.84-8,007,957.12

Finding the Fourth Proportional to 10,421,880.96, 15,609,723.84 and 8,007,957.12

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Solution

The fourth proportional to 10,421,880.96, 15,609,723.84 and 8,007,957.12 is: 11,994,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421,880.96 : 15,609,723.84 = 8,007,957.12 : x
  2. Step 2: Convert to fraction form
    10,421,880.96/15,609,723.84 = 8,007,957.12/x
  3. Step 3: Cross multiply
    10,421,880.96x = 15,609,723.84 × 8,007,957.12
  4. Step 4: Simplify right side
    10,421,880.96x = 125,001,999,165,761.73
  5. Step 5: Solve for x
    x = 125,001,999,165,761.73/10,421,880.96
  6. Step 6: Final answer
    x = 11,994,187.96

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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.