Home / 39,423,291.60-54,403,563.42-22,019,890.80

Finding the Fourth Proportional to 39,423,291.60, 54,403,563.42 and 22,019,890.80

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Solution

The fourth proportional to 39,423,291.60, 54,403,563.42 and 22,019,890.80 is: 30,387,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423,291.60 : 54,403,563.42 = 22,019,890.80 : x
  2. Step 2: Convert to fraction form
    39,423,291.60/54,403,563.42 = 22,019,890.80/x
  3. Step 3: Cross multiply
    39,423,291.60x = 54,403,563.42 × 22,019,890.80
  4. Step 4: Simplify right side
    39,423,291.60x = 1,197,960,525,639,274.50
  5. Step 5: Solve for x
    x = 1,197,960,525,639,274.50/39,423,291.60
  6. Step 6: Final answer
    x = 30,387,125.91

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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.