Home / 13,465,867.28-18,583,015.75-7,665,022.58

Finding the Fourth Proportional to 13,465,867.28, 18,583,015.75 and 7,665,022.58

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Solution

The fourth proportional to 13,465,867.28, 18,583,015.75 and 7,665,022.58 is: 10,577,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,867.28 : 18,583,015.75 = 7,665,022.58 : x
  2. Step 2: Convert to fraction form
    13,465,867.28/18,583,015.75 = 7,665,022.58/x
  3. Step 3: Cross multiply
    13,465,867.28x = 18,583,015.75 × 7,665,022.58
  4. Step 4: Simplify right side
    13,465,867.28x = 142,439,235,216,168
  5. Step 5: Solve for x
    x = 142,439,235,216,168/13,465,867.28
  6. Step 6: Final answer
    x = 10,577,798.84

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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.