Finding the Fourth Proportional to 10,692,476.48, 16,038,447.84 and 3,119,508.80
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Solution
The fourth proportional to 10,692,476.48, 16,038,447.84 and 3,119,508.80 is: 4,679,185.34
Step by Step Solution
- Step 1: Write the proportion equation
10,692,476.48 : 16,038,447.84 = 3,119,508.80 : x - Step 2: Convert to fraction form
10,692,476.48/16,038,447.84 = 3,119,508.80/x - Step 3: Cross multiply
10,692,476.48x = 16,038,447.84 × 3,119,508.80 - Step 4: Simplify right side
10,692,476.48x = 50,032,079,175,220.99 - Step 5: Solve for x
x = 50,032,079,175,220.99/10,692,476.48 - Step 6: Final answer
x = 4,679,185.34
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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.