Home / 40,465,391.35-55,842,200.57-21,880,487.09

Finding the Fourth Proportional to 40,465,391.35, 55,842,200.57 and 21,880,487.09

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Solution

The fourth proportional to 40,465,391.35, 55,842,200.57 and 21,880,487.09 is: 30,195,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,391.35 : 55,842,200.57 = 21,880,487.09 : x
  2. Step 2: Convert to fraction form
    40,465,391.35/55,842,200.57 = 21,880,487.09/x
  3. Step 3: Cross multiply
    40,465,391.35x = 55,842,200.57 × 21,880,487.09
  4. Step 4: Simplify right side
    40,465,391.35x = 1,221,854,548,369,864.75
  5. Step 5: Solve for x
    x = 1,221,854,548,369,864.75/40,465,391.35
  6. Step 6: Final answer
    x = 30,195,050.82

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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.