Home / 21,060,792.16-31,591,188.32-5,104,440.16

Finding the Fourth Proportional to 21,060,792.16, 31,591,188.32 and 5,104,440.16

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Solution

The fourth proportional to 21,060,792.16, 31,591,188.32 and 5,104,440.16 is: 7,656,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,792.16 : 31,591,188.32 = 5,104,440.16 : x
  2. Step 2: Convert to fraction form
    21,060,792.16/31,591,188.32 = 5,104,440.16/x
  3. Step 3: Cross multiply
    21,060,792.16x = 31,591,188.32 × 5,104,440.16
  4. Step 4: Simplify right side
    21,060,792.16x = 161,255,330,362,730.94
  5. Step 5: Solve for x
    x = 161,255,330,362,730.94/21,060,792.16
  6. Step 6: Final answer
    x = 7,656,660.26

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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.