Finding the Fourth Proportional to 15,433,536.24, 21,296,745.09 and 8,909,267.52
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Solution
The fourth proportional to 15,433,536.24, 21,296,745.09 and 8,909,267.52 is: 12,293,903.12
Step by Step Solution
- Step 1: Write the proportion equation
15,433,536.24 : 21,296,745.09 = 8,909,267.52 : x - Step 2: Convert to fraction form
15,433,536.24/21,296,745.09 = 8,909,267.52/x - Step 3: Cross multiply
15,433,536.24x = 21,296,745.09 × 8,909,267.52 - Step 4: Simplify right side
15,433,536.24x = 189,738,399,312,056.47 - Step 5: Solve for x
x = 189,738,399,312,056.47/15,433,536.24 - Step 6: Final answer
x = 12,293,903.12
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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.