Finding the Fourth Proportional to 14,228,264.48, 21,329,318.75 and 5,128,134.99
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Solution
The fourth proportional to 14,228,264.48, 21,329,318.75 and 5,128,134.99 is: 7,687,488.94
Step by Step Solution
- Step 1: Write the proportion equation
14,228,264.48 : 21,329,318.75 = 5,128,134.99 : x - Step 2: Convert to fraction form
14,228,264.48/21,329,318.75 = 5,128,134.99/x - Step 3: Cross multiply
14,228,264.48x = 21,329,318.75 × 5,128,134.99 - Step 4: Simplify right side
14,228,264.48x = 109,379,625,769,097.39 - Step 5: Solve for x
x = 109,379,625,769,097.39/14,228,264.48 - Step 6: Final answer
x = 7,687,488.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.