Finding the Fourth Proportional to 10,478,230.93, 14,458,159.50 and 9,630,641.99
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Solution
The fourth proportional to 10,478,230.93, 14,458,159.50 and 9,630,641.99 is: 13,288,632.30
Step by Step Solution
- Step 1: Write the proportion equation
10,478,230.93 : 14,458,159.50 = 9,630,641.99 : x - Step 2: Convert to fraction form
10,478,230.93/14,458,159.50 = 9,630,641.99/x - Step 3: Cross multiply
10,478,230.93x = 14,458,159.50 × 9,630,641.99 - Step 4: Simplify right side
10,478,230.93x = 139,241,357,938,185.75 - Step 5: Solve for x
x = 139,241,357,938,185.75/10,478,230.93 - Step 6: Final answer
x = 13,288,632.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.