Finding the Fourth Proportional to 7,066,860.68, 9,758,329.25 and 6,838,341.05
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Solution
The fourth proportional to 7,066,860.68, 9,758,329.25 and 6,838,341.05 is: 9,442,776.15
Step by Step Solution
- Step 1: Write the proportion equation
7,066,860.68 : 9,758,329.25 = 6,838,341.05 : x - Step 2: Convert to fraction form
7,066,860.68/9,758,329.25 = 6,838,341.05/x - Step 3: Cross multiply
7,066,860.68x = 9,758,329.25 × 6,838,341.05 - Step 4: Simplify right side
7,066,860.68x = 66,730,783,406,707.35 - Step 5: Solve for x
x = 66,730,783,406,707.35/7,066,860.68 - Step 6: Final answer
x = 9,442,776.15
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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.