Home / 38,630,431.60-57,945,647.40-11,705,426.80

Finding the Fourth Proportional to 38,630,431.60, 57,945,647.40 and 11,705,426.80

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Solution

The fourth proportional to 38,630,431.60, 57,945,647.40 and 11,705,426.80 is: 17,558,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630,431.60 : 57,945,647.40 = 11,705,426.80 : x
  2. Step 2: Convert to fraction form
    38,630,431.60/57,945,647.40 = 11,705,426.80/x
  3. Step 3: Cross multiply
    38,630,431.60x = 57,945,647.40 × 11,705,426.80
  4. Step 4: Simplify right side
    38,630,431.60x = 678,278,534,019,310.38
  5. Step 5: Solve for x
    x = 678,278,534,019,310.38/38,630,431.60
  6. Step 6: Final answer
    x = 17,558,140.20

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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.