Home / 8,047,460.40-12,071,190.60-7,431,601.20

Finding the Fourth Proportional to 8,047,460.40, 12,071,190.60 and 7,431,601.20

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Solution

The fourth proportional to 8,047,460.40, 12,071,190.60 and 7,431,601.20 is: 11,147,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,460.40 : 12,071,190.60 = 7,431,601.20 : x
  2. Step 2: Convert to fraction form
    8,047,460.40/12,071,190.60 = 7,431,601.20/x
  3. Step 3: Cross multiply
    8,047,460.40x = 12,071,190.60 × 7,431,601.20
  4. Step 4: Simplify right side
    8,047,460.40x = 89,708,274,548,388.72
  5. Step 5: Solve for x
    x = 89,708,274,548,388.72/8,047,460.40
  6. Step 6: Final answer
    x = 11,147,401.80

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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.