Finding the Fourth Proportional to 28,361,054.42, 42,532,657.99 and 9,187,362.98
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Solution
The fourth proportional to 28,361,054.42, 42,532,657.99 and 9,187,362.98 is: 13,778,153.72
Step by Step Solution
- Step 1: Write the proportion equation
28,361,054.42 : 42,532,657.99 = 9,187,362.98 : x - Step 2: Convert to fraction form
28,361,054.42/42,532,657.99 = 9,187,362.98/x - Step 3: Cross multiply
28,361,054.42x = 42,532,657.99 × 9,187,362.98 - Step 4: Simplify right side
28,361,054.42x = 390,762,967,458,327.25 - Step 5: Solve for x
x = 390,762,967,458,327.25/28,361,054.42 - Step 6: Final answer
x = 13,778,153.72
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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.