Finding the Fourth Proportional to 10,088,692.40, 15,133,038.60 and 8,671,516.40
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Solution
The fourth proportional to 10,088,692.40, 15,133,038.60 and 8,671,516.40 is: 13,007,274.60
Step by Step Solution
- Step 1: Write the proportion equation
10,088,692.40 : 15,133,038.60 = 8,671,516.40 : x - Step 2: Convert to fraction form
10,088,692.40/15,133,038.60 = 8,671,516.40/x - Step 3: Cross multiply
10,088,692.40x = 15,133,038.60 × 8,671,516.40 - Step 4: Simplify right side
10,088,692.40x = 131,226,392,401,733.05 - Step 5: Solve for x
x = 131,226,392,401,733.05/10,088,692.40 - Step 6: Final answer
x = 13,007,274.60
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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.