Finding the Fourth Proportional to 7,088,347.13, 9,781,968.24 and 4,032,561.38
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Solution
The fourth proportional to 7,088,347.13, 9,781,968.24 and 4,032,561.38 is: 5,564,962.69
Step by Step Solution
- Step 1: Write the proportion equation
7,088,347.13 : 9,781,968.24 = 4,032,561.38 : x - Step 2: Convert to fraction form
7,088,347.13/9,781,968.24 = 4,032,561.38/x - Step 3: Cross multiply
7,088,347.13x = 9,781,968.24 × 4,032,561.38 - Step 4: Simplify right side
7,088,347.13x = 39,446,387,296,100.73 - Step 5: Solve for x
x = 39,446,387,296,100.73/7,088,347.13 - Step 6: Final answer
x = 5,564,962.69
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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.