Finding the Fourth Proportional to 12,021,030, 18,031,352.42 and 3,823,553.18
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Solution
The fourth proportional to 12,021,030, 18,031,352.42 and 3,823,553.18 is: 5,735,268.52
Step by Step Solution
- Step 1: Write the proportion equation
12,021,030 : 18,031,352.42 = 3,823,553.18 : x - Step 2: Convert to fraction form
12,021,030/18,031,352.42 = 3,823,553.18/x - Step 3: Cross multiply
12,021,030x = 18,031,352.42 × 3,823,553.18 - Step 4: Simplify right side
12,021,030x = 68,943,834,939,828.96 - Step 5: Solve for x
x = 68,943,834,939,828.96/12,021,030 - Step 6: Final answer
x = 5,735,268.52
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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.