Finding the Fourth Proportional to 26,467,978.64, 39,701,999.18 and 8,272,269.18
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Solution
The fourth proportional to 26,467,978.64, 39,701,999.18 and 8,272,269.18 is: 12,408,413.52
Step by Step Solution
- Step 1: Write the proportion equation
26,467,978.64 : 39,701,999.18 = 8,272,269.18 : x - Step 2: Convert to fraction form
26,467,978.64/39,701,999.18 = 8,272,269.18/x - Step 3: Cross multiply
26,467,978.64x = 39,701,999.18 × 8,272,269.18 - Step 4: Simplify right side
26,467,978.64x = 328,425,624,159,737.88 - Step 5: Solve for x
x = 328,425,624,159,737.88/26,467,978.64 - Step 6: Final answer
x = 12,408,413.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.