Home / 39,037,469.15-53,871,847.67-21,634,110.47

Finding the Fourth Proportional to 39,037,469.15, 53,871,847.67 and 21,634,110.47

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Solution

The fourth proportional to 39,037,469.15, 53,871,847.67 and 21,634,110.47 is: 29,855,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,037,469.15 : 53,871,847.67 = 21,634,110.47 : x
  2. Step 2: Convert to fraction form
    39,037,469.15/53,871,847.67 = 21,634,110.47/x
  3. Step 3: Cross multiply
    39,037,469.15x = 53,871,847.67 × 21,634,110.47
  4. Step 4: Simplify right side
    39,037,469.15x = 1,165,469,503,500,518
  5. Step 5: Solve for x
    x = 1,165,469,503,500,518/39,037,469.15
  6. Step 6: Final answer
    x = 29,855,150.17

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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.