Finding the Fourth Proportional to 10,531,781.70, 15,798,547.35 and 3,343,112.70
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Solution
The fourth proportional to 10,531,781.70, 15,798,547.35 and 3,343,112.70 is: 5,014,946.74
Step by Step Solution
- Step 1: Write the proportion equation
10,531,781.70 : 15,798,547.35 = 3,343,112.70 : x - Step 2: Convert to fraction form
10,531,781.70/15,798,547.35 = 3,343,112.70/x - Step 3: Cross multiply
10,531,781.70x = 15,798,547.35 × 3,343,112.70 - Step 4: Simplify right side
10,531,781.70x = 52,816,324,287,336.34 - Step 5: Solve for x
x = 52,816,324,287,336.34/10,531,781.70 - Step 6: Final answer
x = 5,014,946.74
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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.