Home / 7,872,091.56-10,863,817.20-4,387,431.96

Finding the Fourth Proportional to 7,872,091.56, 10,863,817.20 and 4,387,431.96

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Solution

The fourth proportional to 7,872,091.56, 10,863,817.20 and 4,387,431.96 is: 6,054,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,091.56 : 10,863,817.20 = 4,387,431.96 : x
  2. Step 2: Convert to fraction form
    7,872,091.56/10,863,817.20 = 4,387,431.96/x
  3. Step 3: Cross multiply
    7,872,091.56x = 10,863,817.20 × 4,387,431.96
  4. Step 4: Simplify right side
    7,872,091.56x = 47,664,258,790,877.71
  5. Step 5: Solve for x
    x = 47,664,258,790,877.71/7,872,091.56
  6. Step 6: Final answer
    x = 6,054,840.50

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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.