Finding the Fourth Proportional to 10,881,968.60, 15,017,349.24 and 5,987,204.75
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Solution
The fourth proportional to 10,881,968.60, 15,017,349.24 and 5,987,204.75 is: 8,262,470.52
Step by Step Solution
- Step 1: Write the proportion equation
10,881,968.60 : 15,017,349.24 = 5,987,204.75 : x - Step 2: Convert to fraction form
10,881,968.60/15,017,349.24 = 5,987,204.75/x - Step 3: Cross multiply
10,881,968.60x = 15,017,349.24 × 5,987,204.75 - Step 4: Simplify right side
10,881,968.60x = 89,911,944,739,680.27 - Step 5: Solve for x
x = 89,911,944,739,680.27/10,881,968.60 - Step 6: Final answer
x = 8,262,470.52
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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.