Home / 13,108,941.78-19,663,412.64-4,133,493.78

Finding the Fourth Proportional to 13,108,941.78, 19,663,412.64 and 4,133,493.78

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Solution

The fourth proportional to 13,108,941.78, 19,663,412.64 and 4,133,493.78 is: 6,200,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,941.78 : 19,663,412.64 = 4,133,493.78 : x
  2. Step 2: Convert to fraction form
    13,108,941.78/19,663,412.64 = 4,133,493.78/x
  3. Step 3: Cross multiply
    13,108,941.78x = 19,663,412.64 × 4,133,493.78
  4. Step 4: Simplify right side
    13,108,941.78x = 81,278,593,841,013.38
  5. Step 5: Solve for x
    x = 81,278,593,841,013.38/13,108,941.78
  6. Step 6: Final answer
    x = 6,200,240.66

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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.