Home / 7,729,042.40-11,590,064.40-2,935,138.40

Finding the Fourth Proportional to 7,729,042.40, 11,590,064.40 and 2,935,138.40

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Solution

The fourth proportional to 7,729,042.40, 11,590,064.40 and 2,935,138.40 is: 4,401,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,042.40 : 11,590,064.40 = 2,935,138.40 : x
  2. Step 2: Convert to fraction form
    7,729,042.40/11,590,064.40 = 2,935,138.40/x
  3. Step 3: Cross multiply
    7,729,042.40x = 11,590,064.40 × 2,935,138.40
  4. Step 4: Simplify right side
    7,729,042.40x = 34,018,443,078,912.96
  5. Step 5: Solve for x
    x = 34,018,443,078,912.96/7,729,042.40
  6. Step 6: Final answer
    x = 4,401,378.76

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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.