Finding the Fourth Proportional to 10,807,643.92, 14,912,106.76 and 6,455,878.44
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Solution
The fourth proportional to 10,807,643.92, 14,912,106.76 and 6,455,878.44 is: 8,907,653.62
Step by Step Solution
- Step 1: Write the proportion equation
10,807,643.92 : 14,912,106.76 = 6,455,878.44 : x - Step 2: Convert to fraction form
10,807,643.92/14,912,106.76 = 6,455,878.44/x - Step 3: Cross multiply
10,807,643.92x = 14,912,106.76 × 6,455,878.44 - Step 4: Simplify right side
10,807,643.92x = 96,270,748,526,862.27 - Step 5: Solve for x
x = 96,270,748,526,862.27/10,807,643.92 - Step 6: Final answer
x = 8,907,653.62
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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.