Home / 12,952,712.89-19,452,226.70-12,431,981.85

Finding the Fourth Proportional to 12,952,712.89, 19,452,226.70 and 12,431,981.85

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Solution

The fourth proportional to 12,952,712.89, 19,452,226.70 and 12,431,981.85 is: 18,670,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,712.89 : 19,452,226.70 = 12,431,981.85 : x
  2. Step 2: Convert to fraction form
    12,952,712.89/19,452,226.70 = 12,431,981.85/x
  3. Step 3: Cross multiply
    12,952,712.89x = 19,452,226.70 × 12,431,981.85
  4. Step 4: Simplify right side
    12,952,712.89x = 241,829,729,276,485.38
  5. Step 5: Solve for x
    x = 241,829,729,276,485.38/12,952,712.89
  6. Step 6: Final answer
    x = 18,670,199.16

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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.