Finding the Fourth Proportional to 18,579,616.24, 27,873,013.36 and 7,064,188.12
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Solution
The fourth proportional to 18,579,616.24, 27,873,013.36 and 7,064,188.12 is: 10,597,646.76
Step by Step Solution
- Step 1: Write the proportion equation
18,579,616.24 : 27,873,013.36 = 7,064,188.12 : x - Step 2: Convert to fraction form
18,579,616.24/27,873,013.36 = 7,064,188.12/x - Step 3: Cross multiply
18,579,616.24x = 27,873,013.36 × 7,064,188.12 - Step 4: Simplify right side
18,579,616.24x = 196,900,209,846,313.28 - Step 5: Solve for x
x = 196,900,209,846,313.28/18,579,616.24 - Step 6: Final answer
x = 10,597,646.76
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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.