Home / 8,870,417.10-13,305,625.65-2,138,831.10

Finding the Fourth Proportional to 8,870,417.10, 13,305,625.65 and 2,138,831.10

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Solution

The fourth proportional to 8,870,417.10, 13,305,625.65 and 2,138,831.10 is: 3,208,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,417.10 : 13,305,625.65 = 2,138,831.10 : x
  2. Step 2: Convert to fraction form
    8,870,417.10/13,305,625.65 = 2,138,831.10/x
  3. Step 3: Cross multiply
    8,870,417.10x = 13,305,625.65 × 2,138,831.10
  4. Step 4: Simplify right side
    8,870,417.10x = 28,458,485,945,177.72
  5. Step 5: Solve for x
    x = 28,458,485,945,177.72/8,870,417.10
  6. Step 6: Final answer
    x = 3,208,246.65

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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.