Home / 27,379,941.67-37,786,418.02-15,619,468.98

Finding the Fourth Proportional to 27,379,941.67, 37,786,418.02 and 15,619,468.98

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Solution

The fourth proportional to 27,379,941.67, 37,786,418.02 and 15,619,468.98 is: 21,556,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379,941.67 : 37,786,418.02 = 15,619,468.98 : x
  2. Step 2: Convert to fraction form
    27,379,941.67/37,786,418.02 = 15,619,468.98/x
  3. Step 3: Cross multiply
    27,379,941.67x = 37,786,418.02 × 15,619,468.98
  4. Step 4: Simplify right side
    27,379,941.67x = 590,203,784,128,703.12
  5. Step 5: Solve for x
    x = 590,203,784,128,703.12/27,379,941.67
  6. Step 6: Final answer
    x = 21,556,064.34

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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.