Home / 14,000,999.80-21,001,499.70-3,903,620.80

Finding the Fourth Proportional to 14,000,999.80, 21,001,499.70 and 3,903,620.80

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Solution

The fourth proportional to 14,000,999.80, 21,001,499.70 and 3,903,620.80 is: 5,855,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,999.80 : 21,001,499.70 = 3,903,620.80 : x
  2. Step 2: Convert to fraction form
    14,000,999.80/21,001,499.70 = 3,903,620.80/x
  3. Step 3: Cross multiply
    14,000,999.80x = 21,001,499.70 × 3,903,620.80
  4. Step 4: Simplify right side
    14,000,999.80x = 81,981,891,060,113.75
  5. Step 5: Solve for x
    x = 81,981,891,060,113.75/14,000,999.80
  6. Step 6: Final answer
    x = 5,855,431.20

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1.5x scale

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.