Home / 28,004,715.80-42,007,073.70-6,729,579.80

Finding the Fourth Proportional to 28,004,715.80, 42,007,073.70 and 6,729,579.80

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Solution

The fourth proportional to 28,004,715.80, 42,007,073.70 and 6,729,579.80 is: 10,094,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004,715.80 : 42,007,073.70 = 6,729,579.80 : x
  2. Step 2: Convert to fraction form
    28,004,715.80/42,007,073.70 = 6,729,579.80/x
  3. Step 3: Cross multiply
    28,004,715.80x = 42,007,073.70 × 6,729,579.80
  4. Step 4: Simplify right side
    28,004,715.80x = 282,689,954,628,631.25
  5. Step 5: Solve for x
    x = 282,689,954,628,631.25/28,004,715.80
  6. Step 6: Final answer
    x = 10,094,369.70

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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.