Finding the Fourth Proportional to 45,125,556.40, 67,727,041.80 and 18,218,522.80
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Solution
The fourth proportional to 45,125,556.40, 67,727,041.80 and 18,218,522.80 is: 27,343,411.44
Step by Step Solution
- Step 1: Write the proportion equation
45,125,556.40 : 67,727,041.80 = 18,218,522.80 : x - Step 2: Convert to fraction form
45,125,556.40/67,727,041.80 = 18,218,522.80/x - Step 3: Cross multiply
45,125,556.40x = 67,727,041.80 × 18,218,522.80 - Step 4: Simplify right side
45,125,556.40x = 1,233,886,655,209,853 - Step 5: Solve for x
x = 1,233,886,655,209,853/45,125,556.40 - Step 6: Final answer
x = 27,343,411.44
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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.