Finding the Fourth Proportional to 10,449,913.06, 14,421,058.29 and 5,740,507.11
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Solution
The fourth proportional to 10,449,913.06, 14,421,058.29 and 5,740,507.11 is: 7,921,997.75
Step by Step Solution
- Step 1: Write the proportion equation
10,449,913.06 : 14,421,058.29 = 5,740,507.11 : x - Step 2: Convert to fraction form
10,449,913.06/14,421,058.29 = 5,740,507.11/x - Step 3: Cross multiply
10,449,913.06x = 14,421,058.29 × 5,740,507.11 - Step 4: Simplify right side
10,449,913.06x = 82,784,187,683,522.08 - Step 5: Solve for x
x = 82,784,187,683,522.08/10,449,913.06 - Step 6: Final answer
x = 7,921,997.75
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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.