Finding the Fourth Proportional to 19,005,402.18, 28,508,102.72 and 8,767,232.82
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Solution
The fourth proportional to 19,005,402.18, 28,508,102.72 and 8,767,232.82 is: 13,150,848.98
Step by Step Solution
- Step 1: Write the proportion equation
19,005,402.18 : 28,508,102.72 = 8,767,232.82 : x - Step 2: Convert to fraction form
19,005,402.18/28,508,102.72 = 8,767,232.82/x - Step 3: Cross multiply
19,005,402.18x = 28,508,102.72 × 8,767,232.82 - Step 4: Simplify right side
19,005,402.18x = 249,937,173,802,715.28 - Step 5: Solve for x
x = 249,937,173,802,715.28/19,005,402.18 - Step 6: Final answer
x = 13,150,848.98
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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.