Home / 12,950,242.26-19,427,607.59-5,278,060.98

Finding the Fourth Proportional to 12,950,242.26, 19,427,607.59 and 5,278,060.98

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Solution

The fourth proportional to 12,950,242.26, 19,427,607.59 and 5,278,060.98 is: 7,918,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,242.26 : 19,427,607.59 = 5,278,060.98 : x
  2. Step 2: Convert to fraction form
    12,950,242.26/19,427,607.59 = 5,278,060.98/x
  3. Step 3: Cross multiply
    12,950,242.26x = 19,427,607.59 × 5,278,060.98
  4. Step 4: Simplify right side
    12,950,242.26x = 102,540,097,529,140.55
  5. Step 5: Solve for x
    x = 102,540,097,529,140.55/12,950,242.26
  6. Step 6: Final answer
    x = 7,918,006.12

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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.