Home / 12,466,986.85-17,203,131.22-7,238,973.07

Finding the Fourth Proportional to 12,466,986.85, 17,203,131.22 and 7,238,973.07

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Solution

The fourth proportional to 12,466,986.85, 17,203,131.22 and 7,238,973.07 is: 9,989,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466,986.85 : 17,203,131.22 = 7,238,973.07 : x
  2. Step 2: Convert to fraction form
    12,466,986.85/17,203,131.22 = 7,238,973.07/x
  3. Step 3: Cross multiply
    12,466,986.85x = 17,203,131.22 × 7,238,973.07
  4. Step 4: Simplify right side
    12,466,986.85x = 124,533,003,621,256.23
  5. Step 5: Solve for x
    x = 124,533,003,621,256.23/12,466,986.85
  6. Step 6: Final answer
    x = 9,989,021.82

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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.