Finding the Fourth Proportional to 34,219,123.99, 51,328,230.36 and 8,311,637.68
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Solution
The fourth proportional to 34,219,123.99, 51,328,230.36 and 8,311,637.68 is: 12,467,345.85
Step by Step Solution
- Step 1: Write the proportion equation
34,219,123.99 : 51,328,230.36 = 8,311,637.68 : x - Step 2: Convert to fraction form
34,219,123.99/51,328,230.36 = 8,311,637.68/x - Step 3: Cross multiply
34,219,123.99x = 51,328,230.36 × 8,311,637.68 - Step 4: Simplify right side
34,219,123.99x = 426,621,653,507,895.94 - Step 5: Solve for x
x = 426,621,653,507,895.94/34,219,123.99 - Step 6: Final answer
x = 12,467,345.85
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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.