Finding the Fourth Proportional to 21,732,027.84, 29,977,710.24 and 13,569,094.08
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Solution
The fourth proportional to 21,732,027.84, 29,977,710.24 and 13,569,094.08 is: 18,717,552.43
Step by Step Solution
- Step 1: Write the proportion equation
21,732,027.84 : 29,977,710.24 = 13,569,094.08 : x - Step 2: Convert to fraction form
21,732,027.84/29,977,710.24 = 13,569,094.08/x - Step 3: Cross multiply
21,732,027.84x = 29,977,710.24 × 13,569,094.08 - Step 4: Simplify right side
21,732,027.84x = 406,770,370,549,539.38 - Step 5: Solve for x
x = 406,770,370,549,539.38/21,732,027.84 - Step 6: Final answer
x = 18,717,552.43
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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.