Home / 37,431,140.40-56,146,710.60-21,250,839.60

Finding the Fourth Proportional to 37,431,140.40, 56,146,710.60 and 21,250,839.60

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Solution

The fourth proportional to 37,431,140.40, 56,146,710.60 and 21,250,839.60 is: 31,876,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431,140.40 : 56,146,710.60 = 21,250,839.60 : x
  2. Step 2: Convert to fraction form
    37,431,140.40/56,146,710.60 = 21,250,839.60/x
  3. Step 3: Cross multiply
    37,431,140.40x = 56,146,710.60 × 21,250,839.60
  4. Step 4: Simplify right side
    37,431,140.40x = 1,193,164,741,028,220
  5. Step 5: Solve for x
    x = 1,193,164,741,028,220/37,431,140.40
  6. Step 6: Final answer
    x = 31,876,259.40

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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.