Finding the Fourth Proportional to 8,992,518.75, 12,408,925.68 and 5,072,058.81
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Solution
The fourth proportional to 8,992,518.75, 12,408,925.68 and 5,072,058.81 is: 6,999,018.02
Step by Step Solution
- Step 1: Write the proportion equation
8,992,518.75 : 12,408,925.68 = 5,072,058.81 : x - Step 2: Convert to fraction form
8,992,518.75/12,408,925.68 = 5,072,058.81/x - Step 3: Cross multiply
8,992,518.75x = 12,408,925.68 × 5,072,058.81 - Step 4: Simplify right side
8,992,518.75x = 62,938,800,817,879.23 - Step 5: Solve for x
x = 62,938,800,817,879.23/8,992,518.75 - Step 6: Final answer
x = 6,999,018.02
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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.