Finding the Fourth Proportional to 10,860,345.20, 16,296,422.70 and 4,471,243.40
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Solution
The fourth proportional to 10,860,345.20, 16,296,422.70 and 4,471,243.40 is: 6,709,296.17
Step by Step Solution
- Step 1: Write the proportion equation
10,860,345.20 : 16,296,422.70 = 4,471,243.40 : x - Step 2: Convert to fraction form
10,860,345.20/16,296,422.70 = 4,471,243.40/x - Step 3: Cross multiply
10,860,345.20x = 16,296,422.70 × 4,471,243.40 - Step 4: Simplify right side
10,860,345.20x = 72,865,272,440,985.19 - Step 5: Solve for x
x = 72,865,272,440,985.19/10,860,345.20 - Step 6: Final answer
x = 6,709,296.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.