Home / 8,470,222.38-12,698,190.27-3,674,298.78

Finding the Fourth Proportional to 8,470,222.38, 12,698,190.27 and 3,674,298.78

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Solution

The fourth proportional to 8,470,222.38, 12,698,190.27 and 3,674,298.78 is: 5,508,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,222.38 : 12,698,190.27 = 3,674,298.78 : x
  2. Step 2: Convert to fraction form
    8,470,222.38/12,698,190.27 = 3,674,298.78/x
  3. Step 3: Cross multiply
    8,470,222.38x = 12,698,190.27 × 3,674,298.78
  4. Step 4: Simplify right side
    8,470,222.38x = 46,656,945,017,268.87
  5. Step 5: Solve for x
    x = 46,656,945,017,268.87/8,470,222.38
  6. Step 6: Final answer
    x = 5,508,349.48

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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.