Finding the Fourth Proportional to 19,623,526.08, 27,079,988.05 and 10,802,905.67
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Solution
The fourth proportional to 19,623,526.08, 27,079,988.05 and 10,802,905.67 is: 14,907,746.71
Step by Step Solution
- Step 1: Write the proportion equation
19,623,526.08 : 27,079,988.05 = 10,802,905.67 : x - Step 2: Convert to fraction form
19,623,526.08/27,079,988.05 = 10,802,905.67/x - Step 3: Cross multiply
19,623,526.08x = 27,079,988.05 × 10,802,905.67 - Step 4: Simplify right side
19,623,526.08x = 292,542,556,286,470 - Step 5: Solve for x
x = 292,542,556,286,470/19,623,526.08 - Step 6: Final answer
x = 14,907,746.71
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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.