Finding the Fourth Proportional to 19,854,385.73, 29,582,023.86 and 18,739,273.00
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Solution
The fourth proportional to 19,854,385.73, 29,582,023.86 and 18,739,273.00 is: 27,920,562.66
Step by Step Solution
- Step 1: Write the proportion equation
19,854,385.73 : 29,582,023.86 = 18,739,273.00 : x - Step 2: Convert to fraction form
19,854,385.73/29,582,023.86 = 18,739,273.00/x - Step 3: Cross multiply
19,854,385.73x = 29,582,023.86 × 18,739,273.00 - Step 4: Simplify right side
19,854,385.73x = 554,345,620,763,447.31 - Step 5: Solve for x
x = 554,345,620,763,447.31/19,854,385.73 - Step 6: Final answer
x = 27,920,562.66
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.