Home / 8,729,889.14-13,072,475-7,286,984.94

Finding the Fourth Proportional to 8,729,889.14, 13,072,475 and 7,286,984.94

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Solution

The fourth proportional to 8,729,889.14, 13,072,475 and 7,286,984.94 is: 10,911,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,889.14 : 13,072,475 = 7,286,984.94 : x
  2. Step 2: Convert to fraction form
    8,729,889.14/13,072,475 = 7,286,984.94/x
  3. Step 3: Cross multiply
    8,729,889.14x = 13,072,475 × 7,286,984.94
  4. Step 4: Simplify right side
    8,729,889.14x = 95,258,928,453,526.50
  5. Step 5: Solve for x
    x = 95,258,928,453,526.50/8,729,889.14
  6. Step 6: Final answer
    x = 10,911,814.22

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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.