Home / 19,835,172.90-27,371,037.72-11,131,663.98

Finding the Fourth Proportional to 19,835,172.90, 27,371,037.72 and 11,131,663.98

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Solution

The fourth proportional to 19,835,172.90, 27,371,037.72 and 11,131,663.98 is: 15,360,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835,172.90 : 27,371,037.72 = 11,131,663.98 : x
  2. Step 2: Convert to fraction form
    19,835,172.90/27,371,037.72 = 11,131,663.98/x
  3. Step 3: Cross multiply
    19,835,172.90x = 27,371,037.72 × 11,131,663.98
  4. Step 4: Simplify right side
    19,835,172.90x = 304,685,194,682,945.31
  5. Step 5: Solve for x
    x = 304,685,194,682,945.31/19,835,172.90
  6. Step 6: Final answer
    x = 15,360,853.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.