Finding the Fourth Proportional to 17,766,165.60, 26,656,246.80 and 6,981,631.20
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Solution
The fourth proportional to 17,766,165.60, 26,656,246.80 and 6,981,631.20 is: 10,475,196.99
Step by Step Solution
- Step 1: Write the proportion equation
17,766,165.60 : 26,656,246.80 = 6,981,631.20 : x - Step 2: Convert to fraction form
17,766,165.60/26,656,246.80 = 6,981,631.20/x - Step 3: Cross multiply
17,766,165.60x = 26,656,246.80 × 6,981,631.20 - Step 4: Simplify right side
17,766,165.60x = 186,104,084,333,780.16 - Step 5: Solve for x
x = 186,104,084,333,780.16/17,766,165.60 - Step 6: Final answer
x = 10,475,196.99
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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.