Home / 9,642,211.55-13,306,635.72-5,291,453.54

Finding the Fourth Proportional to 9,642,211.55, 13,306,635.72 and 5,291,453.54

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Solution

The fourth proportional to 9,642,211.55, 13,306,635.72 and 5,291,453.54 is: 7,302,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,211.55 : 13,306,635.72 = 5,291,453.54 : x
  2. Step 2: Convert to fraction form
    9,642,211.55/13,306,635.72 = 5,291,453.54/x
  3. Step 3: Cross multiply
    9,642,211.55x = 13,306,635.72 × 5,291,453.54
  4. Step 4: Simplify right side
    9,642,211.55x = 70,411,444,619,551.28
  5. Step 5: Solve for x
    x = 70,411,444,619,551.28/9,642,211.55
  6. Step 6: Final answer
    x = 7,302,416.49

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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.