Finding the Fourth Proportional to 7,745,726.79, 11,607,960.96 and 4,900,745.97
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Solution
The fourth proportional to 7,745,726.79, 11,607,960.96 and 4,900,745.97 is: 7,344,393.81
Step by Step Solution
- Step 1: Write the proportion equation
7,745,726.79 : 11,607,960.96 = 4,900,745.97 : x - Step 2: Convert to fraction form
7,745,726.79/11,607,960.96 = 4,900,745.97/x - Step 3: Cross multiply
7,745,726.79x = 11,607,960.96 × 4,900,745.97 - Step 4: Simplify right side
7,745,726.79x = 56,887,667,894,637.34 - Step 5: Solve for x
x = 56,887,667,894,637.34/7,745,726.79 - Step 6: Final answer
x = 7,344,393.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.