Finding the Fourth Proportional to 42,397,955.40, 63,596,933.10 and 15,135,032.10
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Solution
The fourth proportional to 42,397,955.40, 63,596,933.10 and 15,135,032.10 is: 22,702,548.15
Step by Step Solution
- Step 1: Write the proportion equation
42,397,955.40 : 63,596,933.10 = 15,135,032.10 : x - Step 2: Convert to fraction form
42,397,955.40/63,596,933.10 = 15,135,032.10/x - Step 3: Cross multiply
42,397,955.40x = 63,596,933.10 × 15,135,032.10 - Step 4: Simplify right side
42,397,955.40x = 962,541,623,930,052.50 - Step 5: Solve for x
x = 962,541,623,930,052.50/42,397,955.40 - Step 6: Final answer
x = 22,702,548.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.