Home / 30,348,629.21-45,537,890.45-14,172,229.49

Finding the Fourth Proportional to 30,348,629.21, 45,537,890.45 and 14,172,229.49

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Solution

The fourth proportional to 30,348,629.21, 45,537,890.45 and 14,172,229.49 is: 21,265,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,629.21 : 45,537,890.45 = 14,172,229.49 : x
  2. Step 2: Convert to fraction form
    30,348,629.21/45,537,890.45 = 14,172,229.49/x
  3. Step 3: Cross multiply
    30,348,629.21x = 45,537,890.45 × 14,172,229.49
  4. Step 4: Simplify right side
    30,348,629.21x = 645,373,433,649,328.75
  5. Step 5: Solve for x
    x = 645,373,433,649,328.75/30,348,629.21
  6. Step 6: Final answer
    x = 21,265,324.02

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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.