Home / 39,561,561.84-59,396,699.13-20,143,833.30

Finding the Fourth Proportional to 39,561,561.84, 59,396,699.13 and 20,143,833.30

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Solution

The fourth proportional to 39,561,561.84, 59,396,699.13 and 20,143,833.30 is: 30,243,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561,561.84 : 59,396,699.13 = 20,143,833.30 : x
  2. Step 2: Convert to fraction form
    39,561,561.84/59,396,699.13 = 20,143,833.30/x
  3. Step 3: Cross multiply
    39,561,561.84x = 59,396,699.13 × 20,143,833.30
  4. Step 4: Simplify right side
    39,561,561.84x = 1,196,477,205,844,975.25
  5. Step 5: Solve for x
    x = 1,196,477,205,844,975.25/39,561,561.84
  6. Step 6: Final answer
    x = 30,243,426.96

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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.