Home / 13,002,387.60-19,466,256.60-12,629,139.60

Finding the Fourth Proportional to 13,002,387.60, 19,466,256.60 and 12,629,139.60

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Solution

The fourth proportional to 13,002,387.60, 19,466,256.60 and 12,629,139.60 is: 18,907,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,387.60 : 19,466,256.60 = 12,629,139.60 : x
  2. Step 2: Convert to fraction form
    13,002,387.60/19,466,256.60 = 12,629,139.60/x
  3. Step 3: Cross multiply
    13,002,387.60x = 19,466,256.60 × 12,629,139.60
  4. Step 4: Simplify right side
    13,002,387.60x = 245,842,072,090,821.38
  5. Step 5: Solve for x
    x = 245,842,072,090,821.38/13,002,387.60
  6. Step 6: Final answer
    x = 18,907,456.05

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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.