Home / 8,391,374.89-12,587,065.81-3,774,969

Finding the Fourth Proportional to 8,391,374.89, 12,587,065.81 and 3,774,969

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Solution

The fourth proportional to 8,391,374.89, 12,587,065.81 and 3,774,969 is: 5,662,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,374.89 : 12,587,065.81 = 3,774,969 : x
  2. Step 2: Convert to fraction form
    8,391,374.89/12,587,065.81 = 3,774,969/x
  3. Step 3: Cross multiply
    8,391,374.89x = 12,587,065.81 × 3,774,969
  4. Step 4: Simplify right side
    8,391,374.89x = 47,515,783,233,709.89
  5. Step 5: Solve for x
    x = 47,515,783,233,709.89/8,391,374.89
  6. Step 6: Final answer
    x = 5,662,455.06

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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.