Home / 17,139,541.69-25,709,014.76-6,904,139.81

Finding the Fourth Proportional to 17,139,541.69, 25,709,014.76 and 6,904,139.81

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Solution

The fourth proportional to 17,139,541.69, 25,709,014.76 and 6,904,139.81 is: 10,356,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139,541.69 : 25,709,014.76 = 6,904,139.81 : x
  2. Step 2: Convert to fraction form
    17,139,541.69/25,709,014.76 = 6,904,139.81/x
  3. Step 3: Cross multiply
    17,139,541.69x = 25,709,014.76 × 6,904,139.81
  4. Step 4: Simplify right side
    17,139,541.69x = 177,498,632,310,145.44
  5. Step 5: Solve for x
    x = 177,498,632,310,145.44/17,139,541.69
  6. Step 6: Final answer
    x = 10,356,089.77

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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.