Home / 13,764,637.05-18,995,686.82-7,570,162.65

Finding the Fourth Proportional to 13,764,637.05, 18,995,686.82 and 7,570,162.65

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Solution

The fourth proportional to 13,764,637.05, 18,995,686.82 and 7,570,162.65 is: 10,447,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,637.05 : 18,995,686.82 = 7,570,162.65 : x
  2. Step 2: Convert to fraction form
    13,764,637.05/18,995,686.82 = 7,570,162.65/x
  3. Step 3: Cross multiply
    13,764,637.05x = 18,995,686.82 × 7,570,162.65
  4. Step 4: Simplify right side
    13,764,637.05x = 143,800,438,875,861.28
  5. Step 5: Solve for x
    x = 143,800,438,875,861.28/13,764,637.05
  6. Step 6: Final answer
    x = 10,447,092.67

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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.