Finding the Fourth Proportional to 14,873,392, 20,525,281.28 and 8,434,864
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Solution
The fourth proportional to 14,873,392, 20,525,281.28 and 8,434,864 is: 11,640,112.50
Step by Step Solution
- Step 1: Write the proportion equation
14,873,392 : 20,525,281.28 = 8,434,864 : x - Step 2: Convert to fraction form
14,873,392/20,525,281.28 = 8,434,864/x - Step 3: Cross multiply
14,873,392x = 20,525,281.28 × 8,434,864 - Step 4: Simplify right side
14,873,392x = 173,127,956,158,545.94 - Step 5: Solve for x
x = 173,127,956,158,545.94/14,873,392 - Step 6: Final answer
x = 11,640,112.50
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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.