Finding the Fourth Proportional to 10,939,788.03, 15,106,590.94 and 6,816,855.63
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Solution
The fourth proportional to 10,939,788.03, 15,106,590.94 and 6,816,855.63 is: 9,413,294.78
Step by Step Solution
- Step 1: Write the proportion equation
10,939,788.03 : 15,106,590.94 = 6,816,855.63 : x - Step 2: Convert to fraction form
10,939,788.03/15,106,590.94 = 6,816,855.63/x - Step 3: Cross multiply
10,939,788.03x = 15,106,590.94 × 6,816,855.63 - Step 4: Simplify right side
10,939,788.03x = 102,979,449,551,835.17 - Step 5: Solve for x
x = 102,979,449,551,835.17/10,939,788.03 - Step 6: Final answer
x = 9,413,294.78
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1.5x scale
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.