Finding the Fourth Proportional to 14,973,651.18, 20,663,652.42 and 8,098,133.40
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Solution
The fourth proportional to 14,973,651.18, 20,663,652.42 and 8,098,133.40 is: 11,175,431.55
Step by Step Solution
- Step 1: Write the proportion equation
14,973,651.18 : 20,663,652.42 = 8,098,133.40 : x - Step 2: Convert to fraction form
14,973,651.18/20,663,652.42 = 8,098,133.40/x - Step 3: Cross multiply
14,973,651.18x = 20,663,652.42 × 8,098,133.40 - Step 4: Simplify right side
14,973,651.18x = 167,337,013,828,392.84 - Step 5: Solve for x
x = 167,337,013,828,392.84/14,973,651.18 - Step 6: Final answer
x = 11,175,431.55
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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.