Home / 9,772,143.28-13,485,573.30-5,421,229.54

Finding the Fourth Proportional to 9,772,143.28, 13,485,573.30 and 5,421,229.54

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Solution

The fourth proportional to 9,772,143.28, 13,485,573.30 and 5,421,229.54 is: 7,481,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,143.28 : 13,485,573.30 = 5,421,229.54 : x
  2. Step 2: Convert to fraction form
    9,772,143.28/13,485,573.30 = 5,421,229.54/x
  3. Step 3: Cross multiply
    9,772,143.28x = 13,485,573.30 × 5,421,229.54
  4. Step 4: Simplify right side
    9,772,143.28x = 73,108,388,337,795.28
  5. Step 5: Solve for x
    x = 73,108,388,337,795.28/9,772,143.28
  6. Step 6: Final answer
    x = 7,481,305.40

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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.