Finding the Fourth Proportional to 22,703,235.46, 31,348,316.45 and 18,278,907.12
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Solution
The fourth proportional to 22,703,235.46, 31,348,316.45 and 18,278,907.12 is: 25,239,264.50
Step by Step Solution
- Step 1: Write the proportion equation
22,703,235.46 : 31,348,316.45 = 18,278,907.12 : x - Step 2: Convert to fraction form
22,703,235.46/31,348,316.45 = 18,278,907.12/x - Step 3: Cross multiply
22,703,235.46x = 31,348,316.45 × 18,278,907.12 - Step 4: Simplify right side
22,703,235.46x = 573,012,964,803,615.38 - Step 5: Solve for x
x = 573,012,964,803,615.38/22,703,235.46 - Step 6: Final answer
x = 25,239,264.50
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1.5x scale
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.