Finding the Fourth Proportional to 11,077,562.84, 15,274,985.47 and 7,202,898.68
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Solution
The fourth proportional to 11,077,562.84, 15,274,985.47 and 7,202,898.68 is: 9,932,164.16
Step by Step Solution
- Step 1: Write the proportion equation
11,077,562.84 : 15,274,985.47 = 7,202,898.68 : x - Step 2: Convert to fraction form
11,077,562.84/15,274,985.47 = 7,202,898.68/x - Step 3: Cross multiply
11,077,562.84x = 15,274,985.47 × 7,202,898.68 - Step 4: Simplify right side
11,077,562.84x = 110,024,172,584,500 - Step 5: Solve for x
x = 110,024,172,584,500/11,077,562.84 - Step 6: Final answer
x = 9,932,164.16
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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.