Home / 12,391,831.62-17,100,671.94-6,886,102.86

Finding the Fourth Proportional to 12,391,831.62, 17,100,671.94 and 6,886,102.86

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Solution

The fourth proportional to 12,391,831.62, 17,100,671.94 and 6,886,102.86 is: 9,502,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,831.62 : 17,100,671.94 = 6,886,102.86 : x
  2. Step 2: Convert to fraction form
    12,391,831.62/17,100,671.94 = 6,886,102.86/x
  3. Step 3: Cross multiply
    12,391,831.62x = 17,100,671.94 × 6,886,102.86
  4. Step 4: Simplify right side
    12,391,831.62x = 117,756,985,953,955.77
  5. Step 5: Solve for x
    x = 117,756,985,953,955.77/12,391,831.62
  6. Step 6: Final answer
    x = 9,502,791.00

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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.