Finding the Fourth Proportional to 11,539,528.48, 15,924,942.80 and 6,578,703.60
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Solution
The fourth proportional to 11,539,528.48, 15,924,942.80 and 6,578,703.60 is: 9,078,835.30
Step by Step Solution
- Step 1: Write the proportion equation
11,539,528.48 : 15,924,942.80 = 6,578,703.60 : x - Step 2: Convert to fraction form
11,539,528.48/15,924,942.80 = 6,578,703.60/x - Step 3: Cross multiply
11,539,528.48x = 15,924,942.80 × 6,578,703.60 - Step 4: Simplify right side
11,539,528.48x = 104,765,478,528,154.08 - Step 5: Solve for x
x = 104,765,478,528,154.08/11,539,528.48 - Step 6: Final answer
x = 9,078,835.30
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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.