Finding the Fourth Proportional to 10,509,990.04, 14,503,779.84 and 5,681,094.04
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Solution
The fourth proportional to 10,509,990.04, 14,503,779.84 and 5,681,094.04 is: 7,839,906.31
Step by Step Solution
- Step 1: Write the proportion equation
10,509,990.04 : 14,503,779.84 = 5,681,094.04 : x - Step 2: Convert to fraction form
10,509,990.04/14,503,779.84 = 5,681,094.04/x - Step 3: Cross multiply
10,509,990.04x = 14,503,779.84 × 5,681,094.04 - Step 4: Simplify right side
10,509,990.04x = 82,397,337,206,496.16 - Step 5: Solve for x
x = 82,397,337,206,496.16/10,509,990.04 - Step 6: Final answer
x = 7,839,906.31
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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.