Finding the Fourth Proportional to 8,167,545.30, 12,251,317.95 and 7,768,964.55
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Solution
The fourth proportional to 8,167,545.30, 12,251,317.95 and 7,768,964.55 is: 11,653,446.83
Step by Step Solution
- Step 1: Write the proportion equation
8,167,545.30 : 12,251,317.95 = 7,768,964.55 : x - Step 2: Convert to fraction form
8,167,545.30/12,251,317.95 = 7,768,964.55/x - Step 3: Cross multiply
8,167,545.30x = 12,251,317.95 × 7,768,964.55 - Step 4: Simplify right side
8,167,545.30x = 95,180,054,844,328.67 - Step 5: Solve for x
x = 95,180,054,844,328.67/8,167,545.30 - Step 6: Final answer
x = 11,653,446.83
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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.