Home / 26,963,975.12-40,440,043.20-7,790,560.70

Finding the Fourth Proportional to 26,963,975.12, 40,440,043.20 and 7,790,560.70

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Solution

The fourth proportional to 26,963,975.12, 40,440,043.20 and 7,790,560.70 is: 11,684,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,963,975.12 : 40,440,043.20 = 7,790,560.70 : x
  2. Step 2: Convert to fraction form
    26,963,975.12/40,440,043.20 = 7,790,560.70/x
  3. Step 3: Cross multiply
    26,963,975.12x = 40,440,043.20 × 7,790,560.70
  4. Step 4: Simplify right side
    26,963,975.12x = 315,050,611,260,222.25
  5. Step 5: Solve for x
    x = 315,050,611,260,222.25/26,963,975.12
  6. Step 6: Final answer
    x = 11,684,130.77

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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.