Home / 28,989,721.40-43,489,830.90-14,576,516.60

Finding the Fourth Proportional to 28,989,721.40, 43,489,830.90 and 14,576,516.60

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Solution

The fourth proportional to 28,989,721.40, 43,489,830.90 and 14,576,516.60 is: 21,867,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989,721.40 : 43,489,830.90 = 14,576,516.60 : x
  2. Step 2: Convert to fraction form
    28,989,721.40/43,489,830.90 = 14,576,516.60/x
  3. Step 3: Cross multiply
    28,989,721.40x = 43,489,830.90 × 14,576,516.60
  4. Step 4: Simplify right side
    28,989,721.40x = 633,930,242,045,042.88
  5. Step 5: Solve for x
    x = 633,930,242,045,042.88/28,989,721.40
  6. Step 6: Final answer
    x = 21,867,414.08

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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.