Finding the Fourth Proportional to 10,502,545.68, 15,752,418.60 and 2,928,877.20
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Solution
The fourth proportional to 10,502,545.68, 15,752,418.60 and 2,928,877.20 is: 4,392,925.40
Step by Step Solution
- Step 1: Write the proportion equation
10,502,545.68 : 15,752,418.60 = 2,928,877.20 : x - Step 2: Convert to fraction form
10,502,545.68/15,752,418.60 = 2,928,877.20/x - Step 3: Cross multiply
10,502,545.68x = 15,752,418.60 × 2,928,877.20 - Step 4: Simplify right side
10,502,545.68x = 46,136,899,682,395.92 - Step 5: Solve for x
x = 46,136,899,682,395.92/10,502,545.68 - Step 6: Final answer
x = 4,392,925.40
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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.