Finding the Fourth Proportional to 39,272,891.61, 58,816,010.47 and 19,780,798.26
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Solution
The fourth proportional to 39,272,891.61, 58,816,010.47 and 19,780,798.26 is: 29,624,190.88
Step by Step Solution
- Step 1: Write the proportion equation
39,272,891.61 : 58,816,010.47 = 19,780,798.26 : x - Step 2: Convert to fraction form
39,272,891.61/58,816,010.47 = 19,780,798.26/x - Step 3: Cross multiply
39,272,891.61x = 58,816,010.47 × 19,780,798.26 - Step 4: Simplify right side
39,272,891.61x = 1,163,427,637,565,117.75 - Step 5: Solve for x
x = 1,163,427,637,565,117.75/39,272,891.61 - Step 6: Final answer
x = 29,624,190.88
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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.