Home / 28,093,523.40-42,140,285.10-7,898,765.40

Finding the Fourth Proportional to 28,093,523.40, 42,140,285.10 and 7,898,765.40

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Solution

The fourth proportional to 28,093,523.40, 42,140,285.10 and 7,898,765.40 is: 11,848,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093,523.40 : 42,140,285.10 = 7,898,765.40 : x
  2. Step 2: Convert to fraction form
    28,093,523.40/42,140,285.10 = 7,898,765.40/x
  3. Step 3: Cross multiply
    28,093,523.40x = 42,140,285.10 × 7,898,765.40
  4. Step 4: Simplify right side
    28,093,523.40x = 332,856,225,894,015.56
  5. Step 5: Solve for x
    x = 332,856,225,894,015.56/28,093,523.40
  6. Step 6: Final answer
    x = 11,848,148.10

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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.