Finding the Fourth Proportional to 19,219,413.20, 28,833,354.74 and 5,573,129.32
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Solution
The fourth proportional to 19,219,413.20, 28,833,354.74 and 5,573,129.32 is: 8,360,922.00
Step by Step Solution
- Step 1: Write the proportion equation
19,219,413.20 : 28,833,354.74 = 5,573,129.32 : x - Step 2: Convert to fraction form
19,219,413.20/28,833,354.74 = 5,573,129.32/x - Step 3: Cross multiply
19,219,413.20x = 28,833,354.74 × 5,573,129.32 - Step 4: Simplify right side
19,219,413.20x = 160,692,014,695,454.97 - Step 5: Solve for x
x = 160,692,014,695,454.97/19,219,413.20 - Step 6: Final answer
x = 8,360,922.00
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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.