Finding the Fourth Proportional to 7,132,034.16, 10,698,483.24 and 2,872,203.12
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Solution
The fourth proportional to 7,132,034.16, 10,698,483.24 and 2,872,203.12 is: 4,308,478.65
Step by Step Solution
- Step 1: Write the proportion equation
7,132,034.16 : 10,698,483.24 = 2,872,203.12 : x - Step 2: Convert to fraction form
7,132,034.16/10,698,483.24 = 2,872,203.12/x - Step 3: Cross multiply
7,132,034.16x = 10,698,483.24 × 2,872,203.12 - Step 4: Simplify right side
7,132,034.16x = 30,728,216,941,195.71 - Step 5: Solve for x
x = 30,728,216,941,195.71/7,132,034.16 - Step 6: Final answer
x = 4,308,478.65
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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.