Finding the Fourth Proportional to 15,966,980.20, 22,034,441.37 and 8,624,813.23
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Solution
The fourth proportional to 15,966,980.20, 22,034,441.37 and 8,624,813.23 is: 11,902,246.95
Step by Step Solution
- Step 1: Write the proportion equation
15,966,980.20 : 22,034,441.37 = 8,624,813.23 : x - Step 2: Convert to fraction form
15,966,980.20/22,034,441.37 = 8,624,813.23/x - Step 3: Cross multiply
15,966,980.20x = 22,034,441.37 × 8,624,813.23 - Step 4: Simplify right side
15,966,980.20x = 190,042,941,443,635.34 - Step 5: Solve for x
x = 190,042,941,443,635.34/15,966,980.20 - Step 6: Final answer
x = 11,902,246.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.