Finding the Fourth Proportional to 21,418,852.97, 29,582,353.58 and 14,437,489.70
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Solution
The fourth proportional to 21,418,852.97, 29,582,353.58 and 14,437,489.70 is: 19,940,139.91
Step by Step Solution
- Step 1: Write the proportion equation
21,418,852.97 : 29,582,353.58 = 14,437,489.70 : x - Step 2: Convert to fraction form
21,418,852.97/29,582,353.58 = 14,437,489.70/x - Step 3: Cross multiply
21,418,852.97x = 29,582,353.58 × 14,437,489.70 - Step 4: Simplify right side
21,418,852.97x = 427,094,924,892,908.94 - Step 5: Solve for x
x = 427,094,924,892,908.94/21,418,852.97 - Step 6: Final answer
x = 19,940,139.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.