Home / 13,087,429.23-18,055,977.44-7,577,796.68

Finding the Fourth Proportional to 13,087,429.23, 18,055,977.44 and 7,577,796.68

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Solution

The fourth proportional to 13,087,429.23, 18,055,977.44 and 7,577,796.68 is: 10,454,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,429.23 : 18,055,977.44 = 7,577,796.68 : x
  2. Step 2: Convert to fraction form
    13,087,429.23/18,055,977.44 = 7,577,796.68/x
  3. Step 3: Cross multiply
    13,087,429.23x = 18,055,977.44 × 7,577,796.68
  4. Step 4: Simplify right side
    13,087,429.23x = 136,824,525,898,986.91
  5. Step 5: Solve for x
    x = 136,824,525,898,986.91/13,087,429.23
  6. Step 6: Final answer
    x = 10,454,652.59

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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.