Finding the Fourth Proportional to 19,586,483.12, 29,360,016.08 and 8,080,342.40
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Solution
The fourth proportional to 19,586,483.12, 29,360,016.08 and 8,080,342.40 is: 12,112,382.88
Step by Step Solution
- Step 1: Write the proportion equation
19,586,483.12 : 29,360,016.08 = 8,080,342.40 : x - Step 2: Convert to fraction form
19,586,483.12/29,360,016.08 = 8,080,342.40/x - Step 3: Cross multiply
19,586,483.12x = 29,360,016.08 × 8,080,342.40 - Step 4: Simplify right side
19,586,483.12x = 237,238,982,795,905.78 - Step 5: Solve for x
x = 237,238,982,795,905.78/19,586,483.12 - Step 6: Final answer
x = 12,112,382.88
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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.