Home / 21,400,906.94-32,094,617.15-7,020,623.78

Finding the Fourth Proportional to 21,400,906.94, 32,094,617.15 and 7,020,623.78

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Solution

The fourth proportional to 21,400,906.94, 32,094,617.15 and 7,020,623.78 is: 10,528,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,906.94 : 32,094,617.15 = 7,020,623.78 : x
  2. Step 2: Convert to fraction form
    21,400,906.94/32,094,617.15 = 7,020,623.78/x
  3. Step 3: Cross multiply
    21,400,906.94x = 32,094,617.15 × 7,020,623.78
  4. Step 4: Simplify right side
    21,400,906.94x = 225,324,232,257,946.16
  5. Step 5: Solve for x
    x = 225,324,232,257,946.16/21,400,906.94
  6. Step 6: Final answer
    x = 10,528,723.52

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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.