Finding the Fourth Proportional to 26,189,682.73, 39,217,447.82 and 21,860,970.13
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Solution
The fourth proportional to 26,189,682.73, 39,217,447.82 and 21,860,970.13 is: 32,735,465.49
Step by Step Solution
- Step 1: Write the proportion equation
26,189,682.73 : 39,217,447.82 = 21,860,970.13 : x - Step 2: Convert to fraction form
26,189,682.73/39,217,447.82 = 21,860,970.13/x - Step 3: Cross multiply
26,189,682.73x = 39,217,447.82 × 21,860,970.13 - Step 4: Simplify right side
26,189,682.73x = 857,331,455,258,548.62 - Step 5: Solve for x
x = 857,331,455,258,548.62/26,189,682.73 - Step 6: Final answer
x = 32,735,465.49
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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.