Home / 7,928,218.63-10,942,475.48-5,170,117.67

Finding the Fourth Proportional to 7,928,218.63, 10,942,475.48 and 5,170,117.67

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Solution

The fourth proportional to 7,928,218.63, 10,942,475.48 and 5,170,117.67 is: 7,135,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,218.63 : 10,942,475.48 = 5,170,117.67 : x
  2. Step 2: Convert to fraction form
    7,928,218.63/10,942,475.48 = 5,170,117.67/x
  3. Step 3: Cross multiply
    7,928,218.63x = 10,942,475.48 × 5,170,117.67
  4. Step 4: Simplify right side
    7,928,218.63x = 56,573,885,790,902.65
  5. Step 5: Solve for x
    x = 56,573,885,790,902.65/7,928,218.63
  6. Step 6: Final answer
    x = 7,135,762.58

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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.