Home / 14,500,863.99-20,011,705.85-7,974,998.55

Finding the Fourth Proportional to 14,500,863.99, 20,011,705.85 and 7,974,998.55

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Solution

The fourth proportional to 14,500,863.99, 20,011,705.85 and 7,974,998.55 is: 11,005,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,863.99 : 20,011,705.85 = 7,974,998.55 : x
  2. Step 2: Convert to fraction form
    14,500,863.99/20,011,705.85 = 7,974,998.55/x
  3. Step 3: Cross multiply
    14,500,863.99x = 20,011,705.85 × 7,974,998.55
  4. Step 4: Simplify right side
    14,500,863.99x = 159,593,325,136,776.53
  5. Step 5: Solve for x
    x = 159,593,325,136,776.53/14,500,863.99
  6. Step 6: Final answer
    x = 11,005,780.43

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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.