Finding the Fourth Proportional to 11,470,653.48, 15,829,919.45 and 6,243,408.97
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Solution
The fourth proportional to 11,470,653.48, 15,829,919.45 and 6,243,408.97 is: 8,616,131.71
Step by Step Solution
- Step 1: Write the proportion equation
11,470,653.48 : 15,829,919.45 = 6,243,408.97 : x - Step 2: Convert to fraction form
11,470,653.48/15,829,919.45 = 6,243,408.97/x - Step 3: Cross multiply
11,470,653.48x = 15,829,919.45 × 6,243,408.97 - Step 4: Simplify right side
11,470,653.48x = 98,832,661,165,290.88 - Step 5: Solve for x
x = 98,832,661,165,290.88/11,470,653.48 - Step 6: Final answer
x = 8,616,131.71
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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.