Finding the Fourth Proportional to 10,353,363.97, 14,287,525.95 and 5,643,656.23
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Solution
The fourth proportional to 10,353,363.97, 14,287,525.95 and 5,643,656.23 is: 7,788,182.19
Step by Step Solution
- Step 1: Write the proportion equation
10,353,363.97 : 14,287,525.95 = 5,643,656.23 : x - Step 2: Convert to fraction form
10,353,363.97/14,287,525.95 = 5,643,656.23/x - Step 3: Cross multiply
10,353,363.97x = 14,287,525.95 × 5,643,656.23 - Step 4: Simplify right side
10,353,363.97x = 80,633,884,839,004.17 - Step 5: Solve for x
x = 80,633,884,839,004.17/10,353,363.97 - Step 6: Final answer
x = 7,788,182.19
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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.