Finding the Fourth Proportional to 31,349,078.98, 43,276,206.81 and 18,796,074.08
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Solution
The fourth proportional to 31,349,078.98, 43,276,206.81 and 18,796,074.08 is: 25,947,262.74
Step by Step Solution
- Step 1: Write the proportion equation
31,349,078.98 : 43,276,206.81 = 18,796,074.08 : x - Step 2: Convert to fraction form
31,349,078.98/43,276,206.81 = 18,796,074.08/x - Step 3: Cross multiply
31,349,078.98x = 43,276,206.81 × 18,796,074.08 - Step 4: Simplify right side
31,349,078.98x = 813,422,788,791,799 - Step 5: Solve for x
x = 813,422,788,791,799/31,349,078.98 - Step 6: Final answer
x = 25,947,262.74
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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.