Home / 7,139,276.75-10,713,170.24-2,590,680.39

Finding the Fourth Proportional to 7,139,276.75, 10,713,170.24 and 2,590,680.39

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Solution

The fourth proportional to 7,139,276.75, 10,713,170.24 and 2,590,680.39 is: 3,887,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,276.75 : 10,713,170.24 = 2,590,680.39 : x
  2. Step 2: Convert to fraction form
    7,139,276.75/10,713,170.24 = 2,590,680.39/x
  3. Step 3: Cross multiply
    7,139,276.75x = 10,713,170.24 × 2,590,680.39
  4. Step 4: Simplify right side
    7,139,276.75x = 27,754,400,042,546.19
  5. Step 5: Solve for x
    x = 27,754,400,042,546.19/7,139,276.75
  6. Step 6: Final answer
    x = 3,887,564.67

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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.