Home / 19,781,736.40-29,672,604.60-17,829,182.80

Finding the Fourth Proportional to 19,781,736.40, 29,672,604.60 and 17,829,182.80

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Solution

The fourth proportional to 19,781,736.40, 29,672,604.60 and 17,829,182.80 is: 26,743,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,736.40 : 29,672,604.60 = 17,829,182.80 : x
  2. Step 2: Convert to fraction form
    19,781,736.40/29,672,604.60 = 17,829,182.80/x
  3. Step 3: Cross multiply
    19,781,736.40x = 29,672,604.60 × 17,829,182.80
  4. Step 4: Simplify right side
    19,781,736.40x = 529,038,291,565,520.94
  5. Step 5: Solve for x
    x = 529,038,291,565,520.94/19,781,736.40
  6. Step 6: Final answer
    x = 26,743,774.20

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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.