Home / 30,612,140.81-42,244,751.96-16,861,104.94

Finding the Fourth Proportional to 30,612,140.81, 42,244,751.96 and 16,861,104.94

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Solution

The fourth proportional to 30,612,140.81, 42,244,751.96 and 16,861,104.94 is: 23,268,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612,140.81 : 42,244,751.96 = 16,861,104.94 : x
  2. Step 2: Convert to fraction form
    30,612,140.81/42,244,751.96 = 16,861,104.94/x
  3. Step 3: Cross multiply
    30,612,140.81x = 42,244,751.96 × 16,861,104.94
  4. Step 4: Simplify right side
    30,612,140.81x = 712,293,195,666,301.25
  5. Step 5: Solve for x
    x = 712,293,195,666,301.25/30,612,140.81
  6. Step 6: Final answer
    x = 23,268,323.51

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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.