Home / 13,759,812.11-18,988,552.87-7,564,964.22

Finding the Fourth Proportional to 13,759,812.11, 18,988,552.87 and 7,564,964.22

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Solution

The fourth proportional to 13,759,812.11, 18,988,552.87 and 7,564,964.22 is: 10,439,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,812.11 : 18,988,552.87 = 7,564,964.22 : x
  2. Step 2: Convert to fraction form
    13,759,812.11/18,988,552.87 = 7,564,964.22/x
  3. Step 3: Cross multiply
    13,759,812.11x = 18,988,552.87 × 7,564,964.22
  4. Step 4: Simplify right side
    13,759,812.11x = 143,647,723,051,128.31
  5. Step 5: Solve for x
    x = 143,647,723,051,128.31/13,759,812.11
  6. Step 6: Final answer
    x = 10,439,657.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.