Home / 19,581,918.86-29,372,846.15-5,204,986.80

Finding the Fourth Proportional to 19,581,918.86, 29,372,846.15 and 5,204,986.80

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Solution

The fourth proportional to 19,581,918.86, 29,372,846.15 and 5,204,986.80 is: 7,807,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,918.86 : 29,372,846.15 = 5,204,986.80 : x
  2. Step 2: Convert to fraction form
    19,581,918.86/29,372,846.15 = 5,204,986.80/x
  3. Step 3: Cross multiply
    19,581,918.86x = 29,372,846.15 × 5,204,986.80
  4. Step 4: Simplify right side
    19,581,918.86x = 152,885,276,463,155.88
  5. Step 5: Solve for x
    x = 152,885,276,463,155.88/19,581,918.86
  6. Step 6: Final answer
    x = 7,807,471.66

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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.