Finding the Fourth Proportional to 8,445,496.19, 11,664,468.99 and 5,557,777.74
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Solution
The fourth proportional to 8,445,496.19, 11,664,468.99 and 5,557,777.74 is: 7,676,106.26
Step by Step Solution
- Step 1: Write the proportion equation
8,445,496.19 : 11,664,468.99 = 5,557,777.74 : x - Step 2: Convert to fraction form
8,445,496.19/11,664,468.99 = 5,557,777.74/x - Step 3: Cross multiply
8,445,496.19x = 11,664,468.99 × 5,557,777.74 - Step 4: Simplify right side
8,445,496.19x = 64,828,526,101,542.29 - Step 5: Solve for x
x = 64,828,526,101,542.29/8,445,496.19 - Step 6: Final answer
x = 7,676,106.26
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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.