Home / 19,854,433.60-29,781,650.40-6,391,261.60

Finding the Fourth Proportional to 19,854,433.60, 29,781,650.40 and 6,391,261.60

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Solution

The fourth proportional to 19,854,433.60, 29,781,650.40 and 6,391,261.60 is: 9,586,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854,433.60 : 29,781,650.40 = 6,391,261.60 : x
  2. Step 2: Convert to fraction form
    19,854,433.60/29,781,650.40 = 6,391,261.60/x
  3. Step 3: Cross multiply
    19,854,433.60x = 29,781,650.40 × 6,391,261.60
  4. Step 4: Simplify right side
    19,854,433.60x = 190,342,318,586,144.62
  5. Step 5: Solve for x
    x = 190,342,318,586,144.62/19,854,433.60
  6. Step 6: Final answer
    x = 9,586,892.40

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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.