Finding the Fourth Proportional to 10,421,152.48, 14,381,988.24 and 6,556,985.92
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Solution
The fourth proportional to 10,421,152.48, 14,381,988.24 and 6,556,985.92 is: 9,049,142.56
Step by Step Solution
- Step 1: Write the proportion equation
10,421,152.48 : 14,381,988.24 = 6,556,985.92 : x - Step 2: Convert to fraction form
10,421,152.48/14,381,988.24 = 6,556,985.92/x - Step 3: Cross multiply
10,421,152.48x = 14,381,988.24 × 6,556,985.92 - Step 4: Simplify right side
10,421,152.48x = 94,302,494,391,285.58 - Step 5: Solve for x
x = 94,302,494,391,285.58/10,421,152.48 - Step 6: Final answer
x = 9,049,142.56
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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.