Finding the Fourth Proportional to 10,424,775.99, 15,623,545.40 and 5,813,578.22
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Solution
The fourth proportional to 10,424,775.99, 15,623,545.40 and 5,813,578.22 is: 8,712,772.66
Step by Step Solution
- Step 1: Write the proportion equation
10,424,775.99 : 15,623,545.40 = 5,813,578.22 : x - Step 2: Convert to fraction form
10,424,775.99/15,623,545.40 = 5,813,578.22/x - Step 3: Cross multiply
10,424,775.99x = 15,623,545.40 × 5,813,578.22 - Step 4: Simplify right side
10,424,775.99x = 90,828,703,256,621.19 - Step 5: Solve for x
x = 90,828,703,256,621.19/10,424,775.99 - Step 6: Final answer
x = 8,712,772.66
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1.5x scale
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.