Finding the Fourth Proportional to 25,618,136.63, 38,427,158.21 and 8,346,317.12
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Solution
The fourth proportional to 25,618,136.63, 38,427,158.21 and 8,346,317.12 is: 12,519,460.45
Step by Step Solution
- Step 1: Write the proportion equation
25,618,136.63 : 38,427,158.21 = 8,346,317.12 : x - Step 2: Convert to fraction form
25,618,136.63/38,427,158.21 = 8,346,317.12/x - Step 3: Cross multiply
25,618,136.63x = 38,427,158.21 × 8,346,317.12 - Step 4: Simplify right side
25,618,136.63x = 320,725,248,207,204.19 - Step 5: Solve for x
x = 320,725,248,207,204.19/25,618,136.63 - Step 6: Final answer
x = 12,519,460.45
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1.5x scale
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.