Home / 14,939,901.70-20,616,793.05-8,413,504.90

Finding the Fourth Proportional to 14,939,901.70, 20,616,793.05 and 8,413,504.90

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Solution

The fourth proportional to 14,939,901.70, 20,616,793.05 and 8,413,504.90 is: 11,610,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,901.70 : 20,616,793.05 = 8,413,504.90 : x
  2. Step 2: Convert to fraction form
    14,939,901.70/20,616,793.05 = 8,413,504.90/x
  3. Step 3: Cross multiply
    14,939,901.70x = 20,616,793.05 × 8,413,504.90
  4. Step 4: Simplify right side
    14,939,901.70x = 173,459,489,348,460.97
  5. Step 5: Solve for x
    x = 173,459,489,348,460.97/14,939,901.70
  6. Step 6: Final answer
    x = 11,610,483.98

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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.