Home / 5,300,154.37-7,318,759.17-5,128,764.67

Finding the Fourth Proportional to 5,300,154.37, 7,318,759.17 and 5,128,764.67

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Solution

The fourth proportional to 5,300,154.37, 7,318,759.17 and 5,128,764.67 is: 7,082,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300,154.37 : 7,318,759.17 = 5,128,764.67 : x
  2. Step 2: Convert to fraction form
    5,300,154.37/7,318,759.17 = 5,128,764.67/x
  3. Step 3: Cross multiply
    5,300,154.37x = 7,318,759.17 × 5,128,764.67
  4. Step 4: Simplify right side
    5,300,154.37x = 37,536,193,459,334.52
  5. Step 5: Solve for x
    x = 37,536,193,459,334.52/5,300,154.37
  6. Step 6: Final answer
    x = 7,082,094.38

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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.