Home / 28,194,906.40-42,303,418.80-10,245,824.80

Finding the Fourth Proportional to 28,194,906.40, 42,303,418.80 and 10,245,824.80

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Solution

The fourth proportional to 28,194,906.40, 42,303,418.80 and 10,245,824.80 is: 15,372,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194,906.40 : 42,303,418.80 = 10,245,824.80 : x
  2. Step 2: Convert to fraction form
    28,194,906.40/42,303,418.80 = 10,245,824.80/x
  3. Step 3: Cross multiply
    28,194,906.40x = 42,303,418.80 × 10,245,824.80
  4. Step 4: Simplify right side
    28,194,906.40x = 433,433,417,465,826.25
  5. Step 5: Solve for x
    x = 433,433,417,465,826.25/28,194,906.40
  6. Step 6: Final answer
    x = 15,372,756.03

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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.