Home / 21,956,450.64-30,300,082.40-12,167,058.32

Finding the Fourth Proportional to 21,956,450.64, 30,300,082.40 and 12,167,058.32

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Solution

The fourth proportional to 21,956,450.64, 30,300,082.40 and 12,167,058.32 is: 16,790,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,450.64 : 30,300,082.40 = 12,167,058.32 : x
  2. Step 2: Convert to fraction form
    21,956,450.64/30,300,082.40 = 12,167,058.32/x
  3. Step 3: Cross multiply
    21,956,450.64x = 30,300,082.40 × 12,167,058.32
  4. Step 4: Simplify right side
    21,956,450.64x = 368,662,869,540,522.81
  5. Step 5: Solve for x
    x = 368,662,869,540,522.81/21,956,450.64
  6. Step 6: Final answer
    x = 16,790,640.51

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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.