Finding the Fourth Proportional to 19,143,525.42, 26,427,817.35 and 14,782,822.38
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Solution
The fourth proportional to 19,143,525.42, 26,427,817.35 and 14,782,822.38 is: 20,407,825.69
Step by Step Solution
- Step 1: Write the proportion equation
19,143,525.42 : 26,427,817.35 = 14,782,822.38 : x - Step 2: Convert to fraction form
19,143,525.42/26,427,817.35 = 14,782,822.38/x - Step 3: Cross multiply
19,143,525.42x = 26,427,817.35 × 14,782,822.38 - Step 4: Simplify right side
19,143,525.42x = 390,677,729,776,132.31 - Step 5: Solve for x
x = 390,677,729,776,132.31/19,143,525.42 - Step 6: Final answer
x = 20,407,825.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.