Finding the Fourth Proportional to 42,753,553.36, 64,107,260.08 and 19,397,548.80
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Solution
The fourth proportional to 42,753,553.36, 64,107,260.08 and 19,397,548.80 is: 29,085,856.22
Step by Step Solution
- Step 1: Write the proportion equation
42,753,553.36 : 64,107,260.08 = 19,397,548.80 : x - Step 2: Convert to fraction form
42,753,553.36/64,107,260.08 = 19,397,548.80/x - Step 3: Cross multiply
42,753,553.36x = 64,107,260.08 × 19,397,548.80 - Step 4: Simplify right side
42,753,553.36x = 1,243,523,705,787,598 - Step 5: Solve for x
x = 1,243,523,705,787,598/42,753,553.36 - Step 6: Final answer
x = 29,085,856.22
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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.