Finding the Fourth Proportional to 10,918,554.98, 15,067,501.74 and 6,023,816.51
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Solution
The fourth proportional to 10,918,554.98, 15,067,501.74 and 6,023,816.51 is: 8,312,809.33
Step by Step Solution
- Step 1: Write the proportion equation
10,918,554.98 : 15,067,501.74 = 6,023,816.51 : x - Step 2: Convert to fraction form
10,918,554.98/15,067,501.74 = 6,023,816.51/x - Step 3: Cross multiply
10,918,554.98x = 15,067,501.74 × 6,023,816.51 - Step 4: Simplify right side
10,918,554.98x = 90,763,865,670,528.22 - Step 5: Solve for x
x = 90,763,865,670,528.22/10,918,554.98 - Step 6: Final answer
x = 8,312,809.33
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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.