Finding the Fourth Proportional to 7,634,071.79, 10,531,508.09 and 6,763,794.12
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Solution
The fourth proportional to 7,634,071.79, 10,531,508.09 and 6,763,794.12 is: 9,330,925.15
Step by Step Solution
- Step 1: Write the proportion equation
7,634,071.79 : 10,531,508.09 = 6,763,794.12 : x - Step 2: Convert to fraction form
7,634,071.79/10,531,508.09 = 6,763,794.12/x - Step 3: Cross multiply
7,634,071.79x = 10,531,508.09 × 6,763,794.12 - Step 4: Simplify right side
7,634,071.79x = 71,232,952,510,783.91 - Step 5: Solve for x
x = 71,232,952,510,783.91/7,634,071.79 - Step 6: Final answer
x = 9,330,925.15
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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.