Home / 12,708,573.20-19,072,310.04-5,135,604.56

Finding the Fourth Proportional to 12,708,573.20, 19,072,310.04 and 5,135,604.56

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Solution

The fourth proportional to 12,708,573.20, 19,072,310.04 and 5,135,604.56 is: 7,707,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708,573.20 : 19,072,310.04 = 5,135,604.56 : x
  2. Step 2: Convert to fraction form
    12,708,573.20/19,072,310.04 = 5,135,604.56/x
  3. Step 3: Cross multiply
    12,708,573.20x = 19,072,310.04 × 5,135,604.56
  4. Step 4: Simplify right side
    12,708,573.20x = 97,947,842,411,157.77
  5. Step 5: Solve for x
    x = 97,947,842,411,157.77/12,708,573.20
  6. Step 6: Final answer
    x = 7,707,225.73

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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.