Finding the Fourth Proportional to 19,906,269.24, 29,841,622.50 and 7,772,909.88
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Solution
The fourth proportional to 19,906,269.24, 29,841,622.50 and 7,772,909.88 is: 11,652,421.64
Step by Step Solution
- Step 1: Write the proportion equation
19,906,269.24 : 29,841,622.50 = 7,772,909.88 : x - Step 2: Convert to fraction form
19,906,269.24/29,841,622.50 = 7,772,909.88/x - Step 3: Cross multiply
19,906,269.24x = 29,841,622.50 × 7,772,909.88 - Step 4: Simplify right side
19,906,269.24x = 231,956,242,365,480.28 - Step 5: Solve for x
x = 231,956,242,365,480.28/19,906,269.24 - Step 6: Final answer
x = 11,652,421.64
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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.