Finding the Fourth Proportional to 16,487,112.40, 24,732,511.80 and 5,127,470.80
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Solution
The fourth proportional to 16,487,112.40, 24,732,511.80 and 5,127,470.80 is: 7,691,779.43
Step by Step Solution
- Step 1: Write the proportion equation
16,487,112.40 : 24,732,511.80 = 5,127,470.80 : x - Step 2: Convert to fraction form
16,487,112.40/24,732,511.80 = 5,127,470.80/x - Step 3: Cross multiply
16,487,112.40x = 24,732,511.80 × 5,127,470.80 - Step 4: Simplify right side
16,487,112.40x = 126,815,232,065,155.44 - Step 5: Solve for x
x = 126,815,232,065,155.44/16,487,112.40 - Step 6: Final answer
x = 7,691,779.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.