Home / 39,310,847.55-58,966,271.33-20,178,971.55

Finding the Fourth Proportional to 39,310,847.55, 58,966,271.33 and 20,178,971.55

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Solution

The fourth proportional to 39,310,847.55, 58,966,271.33 and 20,178,971.55 is: 30,268,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310,847.55 : 58,966,271.33 = 20,178,971.55 : x
  2. Step 2: Convert to fraction form
    39,310,847.55/58,966,271.33 = 20,178,971.55/x
  3. Step 3: Cross multiply
    39,310,847.55x = 58,966,271.33 × 20,178,971.55
  4. Step 4: Simplify right side
    39,310,847.55x = 1,189,878,711,476,756
  5. Step 5: Solve for x
    x = 1,189,878,711,476,756/39,310,847.55
  6. Step 6: Final answer
    x = 30,268,457.33

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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.