Home / 20,313,372.68-28,027,031.63-12,046,561.89

Finding the Fourth Proportional to 20,313,372.68, 28,027,031.63 and 12,046,561.89

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Solution

The fourth proportional to 20,313,372.68, 28,027,031.63 and 12,046,561.89 is: 16,621,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,372.68 : 28,027,031.63 = 12,046,561.89 : x
  2. Step 2: Convert to fraction form
    20,313,372.68/28,027,031.63 = 12,046,561.89/x
  3. Step 3: Cross multiply
    20,313,372.68x = 28,027,031.63 × 12,046,561.89
  4. Step 4: Simplify right side
    20,313,372.68x = 337,629,371,063,549.81
  5. Step 5: Solve for x
    x = 337,629,371,063,549.81/20,313,372.68
  6. Step 6: Final answer
    x = 16,621,039.57

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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.