Finding the Fourth Proportional to 15,433,417.06, 21,298,408.41 and 8,463,653.09
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Solution
The fourth proportional to 15,433,417.06, 21,298,408.41 and 8,463,653.09 is: 11,680,001.88
Step by Step Solution
- Step 1: Write the proportion equation
15,433,417.06 : 21,298,408.41 = 8,463,653.09 : x - Step 2: Convert to fraction form
15,433,417.06/21,298,408.41 = 8,463,653.09/x - Step 3: Cross multiply
15,433,417.06x = 21,298,408.41 × 8,463,653.09 - Step 4: Simplify right side
15,433,417.06x = 180,262,340,276,302 - Step 5: Solve for x
x = 180,262,340,276,302/15,433,417.06 - Step 6: Final answer
x = 11,680,001.88
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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.