Finding the Fourth Proportional to 7,916,897.44, 10,924,397.76 and 4,432,432.96
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Solution
The fourth proportional to 7,916,897.44, 10,924,397.76 and 4,432,432.96 is: 6,116,242.01
Step by Step Solution
- Step 1: Write the proportion equation
7,916,897.44 : 10,924,397.76 = 4,432,432.96 : x - Step 2: Convert to fraction form
7,916,897.44/10,924,397.76 = 4,432,432.96/x - Step 3: Cross multiply
7,916,897.44x = 10,924,397.76 × 4,432,432.96 - Step 4: Simplify right side
7,916,897.44x = 48,421,660,699,574.17 - Step 5: Solve for x
x = 48,421,660,699,574.17/7,916,897.44 - Step 6: Final answer
x = 6,116,242.01
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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.