Home / 22,470,435.64-31,009,190.70-12,682,932.68

Finding the Fourth Proportional to 22,470,435.64, 31,009,190.70 and 12,682,932.68

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Solution

The fourth proportional to 22,470,435.64, 31,009,190.70 and 12,682,932.68 is: 17,502,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,435.64 : 31,009,190.70 = 12,682,932.68 : x
  2. Step 2: Convert to fraction form
    22,470,435.64/31,009,190.70 = 12,682,932.68/x
  3. Step 3: Cross multiply
    22,470,435.64x = 31,009,190.70 × 12,682,932.68
  4. Step 4: Simplify right side
    22,470,435.64x = 393,287,478,109,382.06
  5. Step 5: Solve for x
    x = 393,287,478,109,382.06/22,470,435.64
  6. Step 6: Final answer
    x = 17,502,441.18

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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.