Home / 13,087,429.73-18,055,978.13-7,577,797.18

Finding the Fourth Proportional to 13,087,429.73, 18,055,978.13 and 7,577,797.18

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Solution

The fourth proportional to 13,087,429.73, 18,055,978.13 and 7,577,797.18 is: 10,454,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,429.73 : 18,055,978.13 = 7,577,797.18 : x
  2. Step 2: Convert to fraction form
    13,087,429.73/18,055,978.13 = 7,577,797.18/x
  3. Step 3: Cross multiply
    13,087,429.73x = 18,055,978.13 × 7,577,797.18
  4. Step 4: Simplify right side
    13,087,429.73x = 136,824,540,129,460.23
  5. Step 5: Solve for x
    x = 136,824,540,129,460.23/13,087,429.73
  6. Step 6: Final answer
    x = 10,454,653.28

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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.