Finding the Fourth Proportional to 7,236,904.36, 10,855,393.98 and 4,242,988.84
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Solution
The fourth proportional to 7,236,904.36, 10,855,393.98 and 4,242,988.84 is: 6,364,505.21
Step by Step Solution
- Step 1: Write the proportion equation
7,236,904.36 : 10,855,393.98 = 4,242,988.84 : x - Step 2: Convert to fraction form
7,236,904.36/10,855,393.98 = 4,242,988.84/x - Step 3: Cross multiply
7,236,904.36x = 10,855,393.98 × 4,242,988.84 - Step 4: Simplify right side
7,236,904.36x = 46,059,315,510,943.18 - Step 5: Solve for x
x = 46,059,315,510,943.18/7,236,904.36 - Step 6: Final answer
x = 6,364,505.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.