Finding the Fourth Proportional to 7,713,674.66, 10,645,955.51 and 4,774,434.57
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Solution
The fourth proportional to 7,713,674.66, 10,645,955.51 and 4,774,434.57 is: 6,589,390.95
Step by Step Solution
- Step 1: Write the proportion equation
7,713,674.66 : 10,645,955.51 = 4,774,434.57 : x - Step 2: Convert to fraction form
7,713,674.66/10,645,955.51 = 4,774,434.57/x - Step 3: Cross multiply
7,713,674.66x = 10,645,955.51 × 4,774,434.57 - Step 4: Simplify right side
7,713,674.66x = 50,828,418,017,625.98 - Step 5: Solve for x
x = 50,828,418,017,625.98/7,713,674.66 - Step 6: Final answer
x = 6,589,390.95
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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.