Home / 15,307,563.20-22,961,344.80-12,806,801.60

Finding the Fourth Proportional to 15,307,563.20, 22,961,344.80 and 12,806,801.60

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Solution

The fourth proportional to 15,307,563.20, 22,961,344.80 and 12,806,801.60 is: 19,210,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307,563.20 : 22,961,344.80 = 12,806,801.60 : x
  2. Step 2: Convert to fraction form
    15,307,563.20/22,961,344.80 = 12,806,801.60/x
  3. Step 3: Cross multiply
    15,307,563.20x = 22,961,344.80 × 12,806,801.60
  4. Step 4: Simplify right side
    15,307,563.20x = 294,061,387,322,791.69
  5. Step 5: Solve for x
    x = 294,061,387,322,791.69/15,307,563.20
  6. Step 6: Final answer
    x = 19,210,202.40

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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.