Home / 28,775,056.64-39,736,095.92-18,479,715.28

Finding the Fourth Proportional to 28,775,056.64, 39,736,095.92 and 18,479,715.28

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Solution

The fourth proportional to 28,775,056.64, 39,736,095.92 and 18,479,715.28 is: 25,519,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,056.64 : 39,736,095.92 = 18,479,715.28 : x
  2. Step 2: Convert to fraction form
    28,775,056.64/39,736,095.92 = 18,479,715.28/x
  3. Step 3: Cross multiply
    28,775,056.64x = 39,736,095.92 × 18,479,715.28
  4. Step 4: Simplify right side
    28,775,056.64x = 734,311,738,940,369.75
  5. Step 5: Solve for x
    x = 734,311,738,940,369.75/28,775,056.64
  6. Step 6: Final answer
    x = 25,519,037.13

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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.