Finding the Fourth Proportional to 14,329,105.04, 19,768,971.84 and 8,130,562.09
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Solution
The fourth proportional to 14,329,105.04, 19,768,971.84 and 8,130,562.09 is: 11,217,229.03
Step by Step Solution
- Step 1: Write the proportion equation
14,329,105.04 : 19,768,971.84 = 8,130,562.09 : x - Step 2: Convert to fraction form
14,329,105.04/19,768,971.84 = 8,130,562.09/x - Step 3: Cross multiply
14,329,105.04x = 19,768,971.84 × 8,130,562.09 - Step 4: Simplify right side
14,329,105.04x = 160,732,853,000,581.53 - Step 5: Solve for x
x = 160,732,853,000,581.53/14,329,105.04 - Step 6: Final answer
x = 11,217,229.03
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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.