Home / 9,567,409.72-13,192,299.12-7,819,655.44

Finding the Fourth Proportional to 9,567,409.72, 13,192,299.12 and 7,819,655.44

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Solution

The fourth proportional to 9,567,409.72, 13,192,299.12 and 7,819,655.44 is: 10,782,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,567,409.72 : 13,192,299.12 = 7,819,655.44 : x
  2. Step 2: Convert to fraction form
    9,567,409.72/13,192,299.12 = 7,819,655.44/x
  3. Step 3: Cross multiply
    9,567,409.72x = 13,192,299.12 × 7,819,655.44
  4. Step 4: Simplify right side
    9,567,409.72x = 103,159,233,579,815.22
  5. Step 5: Solve for x
    x = 103,159,233,579,815.22/9,567,409.72
  6. Step 6: Final answer
    x = 10,782,357.67

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1.5x scale

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.