Finding the Fourth Proportional to 19,369,010.79, 26,732,140.83 and 14,715,137.66
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Solution
The fourth proportional to 19,369,010.79, 26,732,140.83 and 14,715,137.66 is: 20,309,097.70
Step by Step Solution
- Step 1: Write the proportion equation
19,369,010.79 : 26,732,140.83 = 14,715,137.66 : x - Step 2: Convert to fraction form
19,369,010.79/26,732,140.83 = 14,715,137.66/x - Step 3: Cross multiply
19,369,010.79x = 26,732,140.83 × 14,715,137.66 - Step 4: Simplify right side
19,369,010.79x = 393,367,132,412,290.12 - Step 5: Solve for x
x = 393,367,132,412,290.12/19,369,010.79 - Step 6: Final answer
x = 20,309,097.70
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1.5x scale
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.