Home / 19,178,734.20-28,743,606.90-7,806,334.20

Finding the Fourth Proportional to 19,178,734.20, 28,743,606.90 and 7,806,334.20

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Solution

The fourth proportional to 19,178,734.20, 28,743,606.90 and 7,806,334.20 is: 11,699,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,734.20 : 28,743,606.90 = 7,806,334.20 : x
  2. Step 2: Convert to fraction form
    19,178,734.20/28,743,606.90 = 7,806,334.20/x
  3. Step 3: Cross multiply
    19,178,734.20x = 28,743,606.90 × 7,806,334.20
  4. Step 4: Simplify right side
    19,178,734.20x = 224,382,201,574,825.97
  5. Step 5: Solve for x
    x = 224,382,201,574,825.97/19,178,734.20
  6. Step 6: Final answer
    x = 11,699,531.33

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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.