Finding the Fourth Proportional to 38,756,413.94, 58,132,688.49 and 14,493,557.10
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Solution
The fourth proportional to 38,756,413.94, 58,132,688.49 and 14,493,557.10 is: 21,739,612.99
Step by Step Solution
- Step 1: Write the proportion equation
38,756,413.94 : 58,132,688.49 = 14,493,557.10 : x - Step 2: Convert to fraction form
38,756,413.94/58,132,688.49 = 14,493,557.10/x - Step 3: Cross multiply
38,756,413.94x = 58,132,688.49 × 14,493,557.10 - Step 4: Simplify right side
38,756,413.94x = 842,549,440,006,327.75 - Step 5: Solve for x
x = 842,549,440,006,327.75/38,756,413.94 - Step 6: Final answer
x = 21,739,612.99
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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.