Finding the Fourth Proportional to 13,214,102.18, 19,818,791 and 8,407,513.58
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Solution
The fourth proportional to 13,214,102.18, 19,818,791 and 8,407,513.58 is: 12,609,767.37
Step by Step Solution
- Step 1: Write the proportion equation
13,214,102.18 : 19,818,791 = 8,407,513.58 : x - Step 2: Convert to fraction form
13,214,102.18/19,818,791 = 8,407,513.58/x - Step 3: Cross multiply
13,214,102.18x = 19,818,791 × 8,407,513.58 - Step 4: Simplify right side
13,214,102.18x = 166,626,754,471,681.78 - Step 5: Solve for x
x = 166,626,754,471,681.78/13,214,102.18 - Step 6: Final answer
x = 12,609,767.37
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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.