Finding the Fourth Proportional to 7,518,642.08, 10,375,448.12 and 4,080,809.52
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Solution
The fourth proportional to 7,518,642.08, 10,375,448.12 and 4,080,809.52 is: 5,631,366.28
Step by Step Solution
- Step 1: Write the proportion equation
7,518,642.08 : 10,375,448.12 = 4,080,809.52 : x - Step 2: Convert to fraction form
7,518,642.08/10,375,448.12 = 4,080,809.52/x - Step 3: Cross multiply
7,518,642.08x = 10,375,448.12 × 4,080,809.52 - Step 4: Simplify right side
7,518,642.08x = 42,340,227,462,362.10 - Step 5: Solve for x
x = 42,340,227,462,362.10/7,518,642.08 - Step 6: Final answer
x = 5,631,366.28
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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.