Home / 12,698,417.50-17,524,047-7,192,935.44

Finding the Fourth Proportional to 12,698,417.50, 17,524,047 and 7,192,935.44

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Solution

The fourth proportional to 12,698,417.50, 17,524,047 and 7,192,935.44 is: 9,926,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,417.50 : 17,524,047 = 7,192,935.44 : x
  2. Step 2: Convert to fraction form
    12,698,417.50/17,524,047 = 7,192,935.44/x
  3. Step 3: Cross multiply
    12,698,417.50x = 17,524,047 × 7,192,935.44
  4. Step 4: Simplify right side
    12,698,417.50x = 126,049,338,718,525.69
  5. Step 5: Solve for x
    x = 126,049,338,718,525.69/12,698,417.50
  6. Step 6: Final answer
    x = 9,926,381.67

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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.