Finding the Fourth Proportional to 9,566,916.40, 13,214,946.99 and 7,091,155.99
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Solution
The fourth proportional to 9,566,916.40, 13,214,946.99 and 7,091,155.99 is: 9,795,136.34
Step by Step Solution
- Step 1: Write the proportion equation
9,566,916.40 : 13,214,946.99 = 7,091,155.99 : x - Step 2: Convert to fraction form
9,566,916.40/13,214,946.99 = 7,091,155.99/x - Step 3: Cross multiply
9,566,916.40x = 13,214,946.99 × 7,091,155.99 - Step 4: Simplify right side
9,566,916.40x = 93,709,250,505,670.97 - Step 5: Solve for x
x = 93,709,250,505,670.97/9,566,916.40 - Step 6: Final answer
x = 9,795,136.34
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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.