Home / 12,999,532.98-17,939,351.43-7,198,313.18

Finding the Fourth Proportional to 12,999,532.98, 17,939,351.43 and 7,198,313.18

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Solution

The fourth proportional to 12,999,532.98, 17,939,351.43 and 7,198,313.18 is: 9,933,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,532.98 : 17,939,351.43 = 7,198,313.18 : x
  2. Step 2: Convert to fraction form
    12,999,532.98/17,939,351.43 = 7,198,313.18/x
  3. Step 3: Cross multiply
    12,999,532.98x = 17,939,351.43 × 7,198,313.18
  4. Step 4: Simplify right side
    12,999,532.98x = 129,133,069,884,069.22
  5. Step 5: Solve for x
    x = 129,133,069,884,069.22/12,999,532.98
  6. Step 6: Final answer
    x = 9,933,669.93

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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.