Home / 13,087,428.11-18,055,975.89-7,577,795.55

Finding the Fourth Proportional to 13,087,428.11, 18,055,975.89 and 7,577,795.55

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Solution

The fourth proportional to 13,087,428.11, 18,055,975.89 and 7,577,795.55 is: 10,454,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,428.11 : 18,055,975.89 = 7,577,795.55 : x
  2. Step 2: Convert to fraction form
    13,087,428.11/18,055,975.89 = 7,577,795.55/x
  3. Step 3: Cross multiply
    13,087,428.11x = 18,055,975.89 × 7,577,795.55
  4. Step 4: Simplify right side
    13,087,428.11x = 136,824,493,750,149.30
  5. Step 5: Solve for x
    x = 136,824,493,750,149.30/13,087,428.11
  6. Step 6: Final answer
    x = 10,454,651.03

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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.