Home / 23,102,108.21-31,881,285.32-12,647,948.10

Finding the Fourth Proportional to 23,102,108.21, 31,881,285.32 and 12,647,948.10

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Solution

The fourth proportional to 23,102,108.21, 31,881,285.32 and 12,647,948.10 is: 17,454,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102,108.21 : 31,881,285.32 = 12,647,948.10 : x
  2. Step 2: Convert to fraction form
    23,102,108.21/31,881,285.32 = 12,647,948.10/x
  3. Step 3: Cross multiply
    23,102,108.21x = 31,881,285.32 × 12,647,948.10
  4. Step 4: Simplify right side
    23,102,108.21x = 403,232,842,025,412.19
  5. Step 5: Solve for x
    x = 403,232,842,025,412.19/23,102,108.21
  6. Step 6: Final answer
    x = 17,454,374.23

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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.