Finding the Fourth Proportional to 7,135,601.04, 9,847,136.16 and 3,872,416.32
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Solution
The fourth proportional to 7,135,601.04, 9,847,136.16 and 3,872,416.32 is: 5,343,938.17
Step by Step Solution
- Step 1: Write the proportion equation
7,135,601.04 : 9,847,136.16 = 3,872,416.32 : x - Step 2: Convert to fraction form
7,135,601.04/9,847,136.16 = 3,872,416.32/x - Step 3: Cross multiply
7,135,601.04x = 9,847,136.16 × 3,872,416.32 - Step 4: Simplify right side
7,135,601.04x = 38,132,210,771,246.13 - Step 5: Solve for x
x = 38,132,210,771,246.13/7,135,601.04 - Step 6: Final answer
x = 5,343,938.17
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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.