Finding the Fourth Proportional to 10,905,006.42, 15,046,836.21 and 6,552,504.63
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Solution
The fourth proportional to 10,905,006.42, 15,046,836.21 and 6,552,504.63 is: 9,041,210.99
Step by Step Solution
- Step 1: Write the proportion equation
10,905,006.42 : 15,046,836.21 = 6,552,504.63 : x - Step 2: Convert to fraction form
10,905,006.42/15,046,836.21 = 6,552,504.63/x - Step 3: Cross multiply
10,905,006.42x = 15,046,836.21 × 6,552,504.63 - Step 4: Simplify right side
10,905,006.42x = 98,594,463,932,876.66 - Step 5: Solve for x
x = 98,594,463,932,876.66/10,905,006.42 - Step 6: Final answer
x = 9,041,210.99
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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.