Home / 18,727,196.38-28,090,794.57-5,264,024.38

Finding the Fourth Proportional to 18,727,196.38, 28,090,794.57 and 5,264,024.38

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Solution

The fourth proportional to 18,727,196.38, 28,090,794.57 and 5,264,024.38 is: 7,896,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,196.38 : 28,090,794.57 = 5,264,024.38 : x
  2. Step 2: Convert to fraction form
    18,727,196.38/28,090,794.57 = 5,264,024.38/x
  3. Step 3: Cross multiply
    18,727,196.38x = 28,090,794.57 × 5,264,024.38
  4. Step 4: Simplify right side
    18,727,196.38x = 147,870,627,470,051.62
  5. Step 5: Solve for x
    x = 147,870,627,470,051.62/18,727,196.38
  6. Step 6: Final answer
    x = 7,896,036.57

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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.