Home / 38,845,893.60-58,268,840.40-18,690,501.60

Finding the Fourth Proportional to 38,845,893.60, 58,268,840.40 and 18,690,501.60

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Solution

The fourth proportional to 38,845,893.60, 58,268,840.40 and 18,690,501.60 is: 28,035,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,893.60 : 58,268,840.40 = 18,690,501.60 : x
  2. Step 2: Convert to fraction form
    38,845,893.60/58,268,840.40 = 18,690,501.60/x
  3. Step 3: Cross multiply
    38,845,893.60x = 58,268,840.40 × 18,690,501.60
  4. Step 4: Simplify right side
    38,845,893.60x = 1,089,073,854,726,344.75
  5. Step 5: Solve for x
    x = 1,089,073,854,726,344.75/38,845,893.60
  6. Step 6: Final answer
    x = 28,035,752.40

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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.