Finding the Fourth Proportional to 12,646,622.08, 18,972,951 and 4,126,974.40
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Solution
The fourth proportional to 12,646,622.08, 18,972,951 and 4,126,974.40 is: 6,191,446.43
Step by Step Solution
- Step 1: Write the proportion equation
12,646,622.08 : 18,972,951 = 4,126,974.40 : x - Step 2: Convert to fraction form
12,646,622.08/18,972,951 = 4,126,974.40/x - Step 3: Cross multiply
12,646,622.08x = 18,972,951 × 4,126,974.40 - Step 4: Simplify right side
12,646,622.08x = 78,300,883,069,454.39 - Step 5: Solve for x
x = 78,300,883,069,454.39/12,646,622.08 - Step 6: Final answer
x = 6,191,446.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.