Home / 8,881,912.31-12,256,462.43-5,160,413.67

Finding the Fourth Proportional to 8,881,912.31, 12,256,462.43 and 5,160,413.67

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Solution

The fourth proportional to 8,881,912.31, 12,256,462.43 and 5,160,413.67 is: 7,121,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,912.31 : 12,256,462.43 = 5,160,413.67 : x
  2. Step 2: Convert to fraction form
    8,881,912.31/12,256,462.43 = 5,160,413.67/x
  3. Step 3: Cross multiply
    8,881,912.31x = 12,256,462.43 × 5,160,413.67
  4. Step 4: Simplify right side
    8,881,912.31x = 63,248,416,243,811.35
  5. Step 5: Solve for x
    x = 63,248,416,243,811.35/8,881,912.31
  6. Step 6: Final answer
    x = 7,121,035.88

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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.