Home / 14,509,684.32-20,022,951.47-7,983,318.21

Finding the Fourth Proportional to 14,509,684.32, 20,022,951.47 and 7,983,318.21

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Solution

The fourth proportional to 14,509,684.32, 20,022,951.47 and 7,983,318.21 is: 11,016,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509,684.32 : 20,022,951.47 = 7,983,318.21 : x
  2. Step 2: Convert to fraction form
    14,509,684.32/20,022,951.47 = 7,983,318.21/x
  3. Step 3: Cross multiply
    14,509,684.32x = 20,022,951.47 × 7,983,318.21
  4. Step 4: Simplify right side
    14,509,684.32x = 159,849,593,048,480.69
  5. Step 5: Solve for x
    x = 159,849,593,048,480.69/14,509,684.32
  6. Step 6: Final answer
    x = 11,016,751.95

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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.