Finding the Fourth Proportional to 9,031,384.99, 12,463,317.69 and 4,901,415.15
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Solution
The fourth proportional to 9,031,384.99, 12,463,317.69 and 4,901,415.15 is: 6,763,956.39
Step by Step Solution
- Step 1: Write the proportion equation
9,031,384.99 : 12,463,317.69 = 4,901,415.15 : x - Step 2: Convert to fraction form
9,031,384.99/12,463,317.69 = 4,901,415.15/x - Step 3: Cross multiply
9,031,384.99x = 12,463,317.69 × 4,901,415.15 - Step 4: Simplify right side
9,031,384.99x = 61,087,894,192,492.34 - Step 5: Solve for x
x = 61,087,894,192,492.34/9,031,384.99 - Step 6: Final answer
x = 6,763,956.39
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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.