Home / 20,724,814.80-31,087,222.20-6,541,390.80

Finding the Fourth Proportional to 20,724,814.80, 31,087,222.20 and 6,541,390.80

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Solution

The fourth proportional to 20,724,814.80, 31,087,222.20 and 6,541,390.80 is: 9,812,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,814.80 : 31,087,222.20 = 6,541,390.80 : x
  2. Step 2: Convert to fraction form
    20,724,814.80/31,087,222.20 = 6,541,390.80/x
  3. Step 3: Cross multiply
    20,724,814.80x = 31,087,222.20 × 6,541,390.80
  4. Step 4: Simplify right side
    20,724,814.80x = 203,353,669,296,635.75
  5. Step 5: Solve for x
    x = 203,353,669,296,635.75/20,724,814.80
  6. Step 6: Final answer
    x = 9,812,086.20

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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.