Home / 39,312,014.40-54,431,978.40-36,288,705.60

Finding the Fourth Proportional to 39,312,014.40, 54,431,978.40 and 36,288,705.60

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Solution

The fourth proportional to 39,312,014.40, 54,431,978.40 and 36,288,705.60 is: 50,245,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312,014.40 : 54,431,978.40 = 36,288,705.60 : x
  2. Step 2: Convert to fraction form
    39,312,014.40/54,431,978.40 = 36,288,705.60/x
  3. Step 3: Cross multiply
    39,312,014.40x = 54,431,978.40 × 36,288,705.60
  4. Step 4: Simplify right side
    39,312,014.40x = 1,975,266,039,383,159
  5. Step 5: Solve for x
    x = 1,975,266,039,383,159/39,312,014.40
  6. Step 6: Final answer
    x = 50,245,861.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.