Finding the Fourth Proportional to 8,630,864.76, 11,910,424.53 and 4,710,648.99
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Solution
The fourth proportional to 8,630,864.76, 11,910,424.53 and 4,710,648.99 is: 6,500,603.46
Step by Step Solution
- Step 1: Write the proportion equation
8,630,864.76 : 11,910,424.53 = 4,710,648.99 : x - Step 2: Convert to fraction form
8,630,864.76/11,910,424.53 = 4,710,648.99/x - Step 3: Cross multiply
8,630,864.76x = 11,910,424.53 × 4,710,648.99 - Step 4: Simplify right side
8,630,864.76x = 56,105,829,282,715.73 - Step 5: Solve for x
x = 56,105,829,282,715.73/8,630,864.76 - Step 6: Final answer
x = 6,500,603.46
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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.