Home / 20,669,923.80-31,004,885.70-16,186,032.60

Finding the Fourth Proportional to 20,669,923.80, 31,004,885.70 and 16,186,032.60

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Solution

The fourth proportional to 20,669,923.80, 31,004,885.70 and 16,186,032.60 is: 24,279,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,923.80 : 31,004,885.70 = 16,186,032.60 : x
  2. Step 2: Convert to fraction form
    20,669,923.80/31,004,885.70 = 16,186,032.60/x
  3. Step 3: Cross multiply
    20,669,923.80x = 31,004,885.70 × 16,186,032.60
  4. Step 4: Simplify right side
    20,669,923.80x = 501,846,090,699,473.81
  5. Step 5: Solve for x
    x = 501,846,090,699,473.81/20,669,923.80
  6. Step 6: Final answer
    x = 24,279,048.90

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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.