Home / 19,729,187.65-29,590,554.43-6,946,687.81

Finding the Fourth Proportional to 19,729,187.65, 29,590,554.43 and 6,946,687.81

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Solution

The fourth proportional to 19,729,187.65, 29,590,554.43 and 6,946,687.81 is: 10,418,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,187.65 : 29,590,554.43 = 6,946,687.81 : x
  2. Step 2: Convert to fraction form
    19,729,187.65/29,590,554.43 = 6,946,687.81/x
  3. Step 3: Cross multiply
    19,729,187.65x = 29,590,554.43 × 6,946,687.81
  4. Step 4: Simplify right side
    19,729,187.65x = 205,556,343,750,022.47
  5. Step 5: Solve for x
    x = 205,556,343,750,022.47/19,729,187.65
  6. Step 6: Final answer
    x = 10,418,895.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.