Home / 21,956,518.38-30,300,173.25-12,167,125.89

Finding the Fourth Proportional to 21,956,518.38, 30,300,173.25 and 12,167,125.89

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Solution

The fourth proportional to 21,956,518.38, 30,300,173.25 and 12,167,125.89 is: 16,790,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,518.38 : 30,300,173.25 = 12,167,125.89 : x
  2. Step 2: Convert to fraction form
    21,956,518.38/30,300,173.25 = 12,167,125.89/x
  3. Step 3: Cross multiply
    21,956,518.38x = 30,300,173.25 × 12,167,125.89
  4. Step 4: Simplify right side
    21,956,518.38x = 368,666,022,421,560.44
  5. Step 5: Solve for x
    x = 368,666,022,421,560.44/21,956,518.38
  6. Step 6: Final answer
    x = 16,790,732.30

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1.5x scale

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.