Finding the Fourth Proportional to 7,190,656.07, 10,746,583.77 and 5,249,472.49
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Solution
The fourth proportional to 7,190,656.07, 10,746,583.77 and 5,249,472.49 is: 7,845,444.88
Step by Step Solution
- Step 1: Write the proportion equation
7,190,656.07 : 10,746,583.77 = 5,249,472.49 : x - Step 2: Convert to fraction form
7,190,656.07/10,746,583.77 = 5,249,472.49/x - Step 3: Cross multiply
7,190,656.07x = 10,746,583.77 × 5,249,472.49 - Step 4: Simplify right side
7,190,656.07x = 56,413,895,905,869.50 - Step 5: Solve for x
x = 56,413,895,905,869.50/7,190,656.07 - Step 6: Final answer
x = 7,845,444.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.