Finding the Fourth Proportional to 10,762,811.40, 16,136,181.90 and 6,502,081.80
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Solution
The fourth proportional to 10,762,811.40, 16,136,181.90 and 6,502,081.80 is: 9,748,268.44
Step by Step Solution
- Step 1: Write the proportion equation
10,762,811.40 : 16,136,181.90 = 6,502,081.80 : x - Step 2: Convert to fraction form
10,762,811.40/16,136,181.90 = 6,502,081.80/x - Step 3: Cross multiply
10,762,811.40x = 16,136,181.90 × 6,502,081.80 - Step 4: Simplify right side
10,762,811.40x = 104,918,774,653,479.42 - Step 5: Solve for x
x = 104,918,774,653,479.42/10,762,811.40 - Step 6: Final answer
x = 9,748,268.44
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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.