Finding the Fourth Proportional to 15,551,098.21, 23,323,988.70 and 4,188,889.63
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Solution
The fourth proportional to 15,551,098.21, 23,323,988.70 and 4,188,889.63 is: 6,282,618.31
Step by Step Solution
- Step 1: Write the proportion equation
15,551,098.21 : 23,323,988.70 = 4,188,889.63 : x - Step 2: Convert to fraction form
15,551,098.21/23,323,988.70 = 4,188,889.63/x - Step 3: Cross multiply
15,551,098.21x = 23,323,988.70 × 4,188,889.63 - Step 4: Simplify right side
15,551,098.21x = 97,701,614,395,667.17 - Step 5: Solve for x
x = 97,701,614,395,667.17/15,551,098.21 - Step 6: Final answer
x = 6,282,618.31
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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.