Finding the Fourth Proportional to 26,535,473.12, 39,801,712.42 and 11,759,312.60
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Solution
The fourth proportional to 26,535,473.12, 39,801,712.42 and 11,759,312.60 is: 17,638,305.38
Step by Step Solution
- Step 1: Write the proportion equation
26,535,473.12 : 39,801,712.42 = 11,759,312.60 : x - Step 2: Convert to fraction form
26,535,473.12/39,801,712.42 = 11,759,312.60/x - Step 3: Cross multiply
26,535,473.12x = 39,801,712.42 × 11,759,312.60 - Step 4: Simplify right side
26,535,473.12x = 468,040,778,362,082.50 - Step 5: Solve for x
x = 468,040,778,362,082.50/26,535,473.12 - Step 6: Final answer
x = 17,638,305.38
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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.