Finding the Fourth Proportional to 7,161,630.12, 10,742,558.85 and 3,986,934.48
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Solution
The fourth proportional to 7,161,630.12, 10,742,558.85 and 3,986,934.48 is: 5,980,465.00
Step by Step Solution
- Step 1: Write the proportion equation
7,161,630.12 : 10,742,558.85 = 3,986,934.48 : x - Step 2: Convert to fraction form
7,161,630.12/10,742,558.85 = 3,986,934.48/x - Step 3: Cross multiply
7,161,630.12x = 10,742,558.85 × 3,986,934.48 - Step 4: Simplify right side
7,161,630.12x = 42,829,878,282,494.15 - Step 5: Solve for x
x = 42,829,878,282,494.15/7,161,630.12 - Step 6: Final answer
x = 5,980,465.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.