Finding the Fourth Proportional to 10,167,578.51, 14,031,240.93 and 5,583,899.88
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Solution
The fourth proportional to 10,167,578.51, 14,031,240.93 and 5,583,899.88 is: 7,705,772.27
Step by Step Solution
- Step 1: Write the proportion equation
10,167,578.51 : 14,031,240.93 = 5,583,899.88 : x - Step 2: Convert to fraction form
10,167,578.51/14,031,240.93 = 5,583,899.88/x - Step 3: Cross multiply
10,167,578.51x = 14,031,240.93 × 5,583,899.88 - Step 4: Simplify right side
10,167,578.51x = 78,349,044,545,278.08 - Step 5: Solve for x
x = 78,349,044,545,278.08/10,167,578.51 - Step 6: Final answer
x = 7,705,772.27
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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.