Finding the Fourth Proportional to 10,197,575.18, 14,072,222.64 and 5,551,263.62
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Solution
The fourth proportional to 10,197,575.18, 14,072,222.64 and 5,551,263.62 is: 7,660,509.11
Step by Step Solution
- Step 1: Write the proportion equation
10,197,575.18 : 14,072,222.64 = 5,551,263.62 : x - Step 2: Convert to fraction form
10,197,575.18/14,072,222.64 = 5,551,263.62/x - Step 3: Cross multiply
10,197,575.18x = 14,072,222.64 × 5,551,263.62 - Step 4: Simplify right side
10,197,575.18x = 78,118,617,593,972.36 - Step 5: Solve for x
x = 78,118,617,593,972.36/10,197,575.18 - Step 6: Final answer
x = 7,660,509.11
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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.