Home / 7,100,905.37-10,627,889.11-6,462,810.78

Finding the Fourth Proportional to 7,100,905.37, 10,627,889.11 and 6,462,810.78

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Solution

The fourth proportional to 7,100,905.37, 10,627,889.11 and 6,462,810.78 is: 9,672,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,905.37 : 10,627,889.11 = 6,462,810.78 : x
  2. Step 2: Convert to fraction form
    7,100,905.37/10,627,889.11 = 6,462,810.78/x
  3. Step 3: Cross multiply
    7,100,905.37x = 10,627,889.11 × 6,462,810.78
  4. Step 4: Simplify right side
    7,100,905.37x = 68,686,036,223,299.11
  5. Step 5: Solve for x
    x = 68,686,036,223,299.11/7,100,905.37
  6. Step 6: Final answer
    x = 9,672,856.16

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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.