Home / 12,662,913.23-18,989,716.95-4,351,359.53

Finding the Fourth Proportional to 12,662,913.23, 18,989,716.95 and 4,351,359.53

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Solution

The fourth proportional to 12,662,913.23, 18,989,716.95 and 4,351,359.53 is: 6,525,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,913.23 : 18,989,716.95 = 4,351,359.53 : x
  2. Step 2: Convert to fraction form
    12,662,913.23/18,989,716.95 = 4,351,359.53/x
  3. Step 3: Cross multiply
    12,662,913.23x = 18,989,716.95 × 4,351,359.53
  4. Step 4: Simplify right side
    12,662,913.23x = 82,631,085,727,436.45
  5. Step 5: Solve for x
    x = 82,631,085,727,436.45/12,662,913.23
  6. Step 6: Final answer
    x = 6,525,440.41

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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.