Home / 7,198,223.72-9,880,673.29-6,364,156.60

Finding the Fourth Proportional to 7,198,223.72, 9,880,673.29 and 6,364,156.60

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Solution

The fourth proportional to 7,198,223.72, 9,880,673.29 and 6,364,156.60 is: 8,735,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,223.72 : 9,880,673.29 = 6,364,156.60 : x
  2. Step 2: Convert to fraction form
    7,198,223.72/9,880,673.29 = 6,364,156.60/x
  3. Step 3: Cross multiply
    7,198,223.72x = 9,880,673.29 × 6,364,156.60
  4. Step 4: Simplify right side
    7,198,223.72x = 62,882,152,130,997.20
  5. Step 5: Solve for x
    x = 62,882,152,130,997.20/7,198,223.72
  6. Step 6: Final answer
    x = 8,735,787.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.