Finding the Fourth Proportional to 19,775,653.34, 29,633,690.99 and 17,620,538.09
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Solution
The fourth proportional to 19,775,653.34, 29,633,690.99 and 17,620,538.09 is: 26,404,264.47
Step by Step Solution
- Step 1: Write the proportion equation
19,775,653.34 : 29,633,690.99 = 17,620,538.09 : x - Step 2: Convert to fraction form
19,775,653.34/29,633,690.99 = 17,620,538.09/x - Step 3: Cross multiply
19,775,653.34x = 29,633,690.99 × 17,620,538.09 - Step 4: Simplify right side
19,775,653.34x = 522,161,580,732,467.75 - Step 5: Solve for x
x = 522,161,580,732,467.75/19,775,653.34 - Step 6: Final answer
x = 26,404,264.47
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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.