Home / 13,764,638.05-18,995,688.20-7,570,163.65

Finding the Fourth Proportional to 13,764,638.05, 18,995,688.20 and 7,570,163.65

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Solution

The fourth proportional to 13,764,638.05, 18,995,688.20 and 7,570,163.65 is: 10,447,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,638.05 : 18,995,688.20 = 7,570,163.65 : x
  2. Step 2: Convert to fraction form
    13,764,638.05/18,995,688.20 = 7,570,163.65/x
  3. Step 3: Cross multiply
    13,764,638.05x = 18,995,688.20 × 7,570,163.65
  4. Step 4: Simplify right side
    13,764,638.05x = 143,800,468,318,373.94
  5. Step 5: Solve for x
    x = 143,800,468,318,373.94/13,764,638.05
  6. Step 6: Final answer
    x = 10,447,094.05

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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.