Finding the Fourth Proportional to 13,558,727.58, 18,711,290.16 and 7,363,773.06
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Solution
The fourth proportional to 13,558,727.58, 18,711,290.16 and 7,363,773.06 is: 10,162,140.48
Step by Step Solution
- Step 1: Write the proportion equation
13,558,727.58 : 18,711,290.16 = 7,363,773.06 : x - Step 2: Convert to fraction form
13,558,727.58/18,711,290.16 = 7,363,773.06/x - Step 3: Cross multiply
13,558,727.58x = 18,711,290.16 × 7,363,773.06 - Step 4: Simplify right side
13,558,727.58x = 137,785,694,398,051.08 - Step 5: Solve for x
x = 137,785,694,398,051.08/13,558,727.58 - Step 6: Final answer
x = 10,162,140.48
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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.