Finding the Fourth Proportional to 39,486,022.49, 59,216,965.53 and 13,921,053.18
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Solution
The fourth proportional to 39,486,022.49, 59,216,965.53 and 13,921,053.18 is: 20,877,325.05
Step by Step Solution
- Step 1: Write the proportion equation
39,486,022.49 : 59,216,965.53 = 13,921,053.18 : x - Step 2: Convert to fraction form
39,486,022.49/59,216,965.53 = 13,921,053.18/x - Step 3: Cross multiply
39,486,022.49x = 59,216,965.53 × 13,921,053.18 - Step 4: Simplify right side
39,486,022.49x = 824,362,526,301,356.88 - Step 5: Solve for x
x = 824,362,526,301,356.88/39,486,022.49 - Step 6: Final answer
x = 20,877,325.05
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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.