Home / 14,519,899.50-20,037,108.15-7,993,476.78

Finding the Fourth Proportional to 14,519,899.50, 20,037,108.15 and 7,993,476.78

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Solution

The fourth proportional to 14,519,899.50, 20,037,108.15 and 7,993,476.78 is: 11,030,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519,899.50 : 20,037,108.15 = 7,993,476.78 : x
  2. Step 2: Convert to fraction form
    14,519,899.50/20,037,108.15 = 7,993,476.78/x
  3. Step 3: Cross multiply
    14,519,899.50x = 20,037,108.15 × 7,993,476.78
  4. Step 4: Simplify right side
    14,519,899.50x = 160,166,158,735,373.75
  5. Step 5: Solve for x
    x = 160,166,158,735,373.75/14,519,899.50
  6. Step 6: Final answer
    x = 11,030,803.54

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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.