Home / 12,014,022.94-18,015,646.14-7,158,617.46

Finding the Fourth Proportional to 12,014,022.94, 18,015,646.14 and 7,158,617.46

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Solution

The fourth proportional to 12,014,022.94, 18,015,646.14 and 7,158,617.46 is: 10,734,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,022.94 : 18,015,646.14 = 7,158,617.46 : x
  2. Step 2: Convert to fraction form
    12,014,022.94/18,015,646.14 = 7,158,617.46/x
  3. Step 3: Cross multiply
    12,014,022.94x = 18,015,646.14 × 7,158,617.46
  4. Step 4: Simplify right side
    12,014,022.94x = 128,967,119,078,544.28
  5. Step 5: Solve for x
    x = 128,967,119,078,544.28/12,014,022.94
  6. Step 6: Final answer
    x = 10,734,715.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.