Home / 7,318,828.45-10,100,042.56-4,055,697.68

Finding the Fourth Proportional to 7,318,828.45, 10,100,042.56 and 4,055,697.68

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Solution

The fourth proportional to 7,318,828.45, 10,100,042.56 and 4,055,697.68 is: 5,596,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,828.45 : 10,100,042.56 = 4,055,697.68 : x
  2. Step 2: Convert to fraction form
    7,318,828.45/10,100,042.56 = 4,055,697.68/x
  3. Step 3: Cross multiply
    7,318,828.45x = 10,100,042.56 × 4,055,697.68
  4. Step 4: Simplify right side
    7,318,828.45x = 40,962,719,227,750.57
  5. Step 5: Solve for x
    x = 40,962,719,227,750.57/7,318,828.45
  6. Step 6: Final answer
    x = 5,596,895.67

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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.