Finding the Fourth Proportional to 41,515,223.49, 62,248,742.99 and 19,655,419.23
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Solution
The fourth proportional to 41,515,223.49, 62,248,742.99 and 19,655,419.23 is: 29,471,722.35
Step by Step Solution
- Step 1: Write the proportion equation
41,515,223.49 : 62,248,742.99 = 19,655,419.23 : x - Step 2: Convert to fraction form
41,515,223.49/62,248,742.99 = 19,655,419.23/x - Step 3: Cross multiply
41,515,223.49x = 62,248,742.99 × 19,655,419.23 - Step 4: Simplify right side
41,515,223.49x = 1,223,525,140,008,973.75 - Step 5: Solve for x
x = 1,223,525,140,008,973.75/41,515,223.49 - Step 6: Final answer
x = 29,471,722.35
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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.