Home / 38,956,060.40-58,434,090.60-18,756,431.60

Finding the Fourth Proportional to 38,956,060.40, 58,434,090.60 and 18,756,431.60

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Solution

The fourth proportional to 38,956,060.40, 58,434,090.60 and 18,756,431.60 is: 28,134,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956,060.40 : 58,434,090.60 = 18,756,431.60 : x
  2. Step 2: Convert to fraction form
    38,956,060.40/58,434,090.60 = 18,756,431.60/x
  3. Step 3: Cross multiply
    38,956,060.40x = 58,434,090.60 × 18,756,431.60
  4. Step 4: Simplify right side
    38,956,060.40x = 1,096,015,023,447,103.12
  5. Step 5: Solve for x
    x = 1,096,015,023,447,103.12/38,956,060.40
  6. Step 6: Final answer
    x = 28,134,647.40

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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.