Home / 21,467,288.30-32,119,676.62-12,718,265.88

Finding the Fourth Proportional to 21,467,288.30, 32,119,676.62 and 12,718,265.88

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Solution

The fourth proportional to 21,467,288.30, 32,119,676.62 and 12,718,265.88 is: 19,029,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467,288.30 : 32,119,676.62 = 12,718,265.88 : x
  2. Step 2: Convert to fraction form
    21,467,288.30/32,119,676.62 = 12,718,265.88/x
  3. Step 3: Cross multiply
    21,467,288.30x = 32,119,676.62 × 12,718,265.88
  4. Step 4: Simplify right side
    21,467,288.30x = 408,506,587,232,779.75
  5. Step 5: Solve for x
    x = 408,506,587,232,779.75/21,467,288.30
  6. Step 6: Final answer
    x = 19,029,258.91

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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.