Finding the Fourth Proportional to 15,139,160.33, 22,709,062.26 and 5,424,406.09
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Solution
The fourth proportional to 15,139,160.33, 22,709,062.26 and 5,424,406.09 is: 8,136,724.42
Step by Step Solution
- Step 1: Write the proportion equation
15,139,160.33 : 22,709,062.26 = 5,424,406.09 : x - Step 2: Convert to fraction form
15,139,160.33/22,709,062.26 = 5,424,406.09/x - Step 3: Cross multiply
15,139,160.33x = 22,709,062.26 × 5,424,406.09 - Step 4: Simplify right side
15,139,160.33x = 123,183,175,564,560.53 - Step 5: Solve for x
x = 123,183,175,564,560.53/15,139,160.33 - Step 6: Final answer
x = 8,136,724.42
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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.