Home / 21,297,528.32-31,974,662.64-14,404,157.72

Finding the Fourth Proportional to 21,297,528.32, 31,974,662.64 and 14,404,157.72

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Solution

The fourth proportional to 21,297,528.32, 31,974,662.64 and 14,404,157.72 is: 21,625,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297,528.32 : 31,974,662.64 = 14,404,157.72 : x
  2. Step 2: Convert to fraction form
    21,297,528.32/31,974,662.64 = 14,404,157.72/x
  3. Step 3: Cross multiply
    21,297,528.32x = 31,974,662.64 × 14,404,157.72
  4. Step 4: Simplify right side
    21,297,528.32x = 460,568,083,710,351.62
  5. Step 5: Solve for x
    x = 460,568,083,710,351.62/21,297,528.32
  6. Step 6: Final answer
    x = 21,625,424.17

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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.