Home / 22,571,981.86-31,149,518.16-12,258,778.90

Finding the Fourth Proportional to 22,571,981.86, 31,149,518.16 and 12,258,778.90

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Solution

The fourth proportional to 22,571,981.86, 31,149,518.16 and 12,258,778.90 is: 16,917,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571,981.86 : 31,149,518.16 = 12,258,778.90 : x
  2. Step 2: Convert to fraction form
    22,571,981.86/31,149,518.16 = 12,258,778.90/x
  3. Step 3: Cross multiply
    22,571,981.86x = 31,149,518.16 × 12,258,778.90
  4. Step 4: Simplify right side
    22,571,981.86x = 381,855,055,964,974.81
  5. Step 5: Solve for x
    x = 381,855,055,964,974.81/22,571,981.86
  6. Step 6: Final answer
    x = 16,917,214.37

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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.