Finding the Fourth Proportional to 38,698,449.05, 53,406,069.57 and 22,181,326.35
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Solution
The fourth proportional to 38,698,449.05, 53,406,069.57 and 22,181,326.35 is: 30,611,497.04
Step by Step Solution
- Step 1: Write the proportion equation
38,698,449.05 : 53,406,069.57 = 22,181,326.35 : x - Step 2: Convert to fraction form
38,698,449.05/53,406,069.57 = 22,181,326.35/x - Step 3: Cross multiply
38,698,449.05x = 53,406,069.57 × 22,181,326.35 - Step 4: Simplify right side
38,698,449.05x = 1,184,617,458,202,974.25 - Step 5: Solve for x
x = 1,184,617,458,202,974.25/38,698,449.05 - Step 6: Final answer
x = 30,611,497.04
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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.