Home / 13,087,427.11-18,055,974.51-7,577,794.55

Finding the Fourth Proportional to 13,087,427.11, 18,055,974.51 and 7,577,794.55

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Solution

The fourth proportional to 13,087,427.11, 18,055,974.51 and 7,577,794.55 is: 10,454,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,427.11 : 18,055,974.51 = 7,577,794.55 : x
  2. Step 2: Convert to fraction form
    13,087,427.11/18,055,974.51 = 7,577,794.55/x
  3. Step 3: Cross multiply
    13,087,427.11x = 18,055,974.51 × 7,577,794.55
  4. Step 4: Simplify right side
    13,087,427.11x = 136,824,465,281,956.88
  5. Step 5: Solve for x
    x = 136,824,465,281,956.88/13,087,427.11
  6. Step 6: Final answer
    x = 10,454,649.65

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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.