Finding the Fourth Proportional to 19,431,070.20, 29,150,541.90 and 6,652,866.60
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Solution
The fourth proportional to 19,431,070.20, 29,150,541.90 and 6,652,866.60 is: 9,980,647.72
Step by Step Solution
- Step 1: Write the proportion equation
19,431,070.20 : 29,150,541.90 = 6,652,866.60 : x - Step 2: Convert to fraction form
19,431,070.20/29,150,541.90 = 6,652,866.60/x - Step 3: Cross multiply
19,431,070.20x = 29,150,541.90 × 6,652,866.60 - Step 4: Simplify right side
19,431,070.20x = 193,934,666,578,410.53 - Step 5: Solve for x
x = 193,934,666,578,410.53/19,431,070.20 - Step 6: Final answer
x = 9,980,647.72
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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.