Finding the Fourth Proportional to 7,518,159.18, 10,375,069.77 and 4,080,400.26
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Solution
The fourth proportional to 7,518,159.18, 10,375,069.77 and 4,080,400.26 is: 5,630,957.84
Step by Step Solution
- Step 1: Write the proportion equation
7,518,159.18 : 10,375,069.77 = 4,080,400.26 : x - Step 2: Convert to fraction form
7,518,159.18/10,375,069.77 = 4,080,400.26/x - Step 3: Cross multiply
7,518,159.18x = 10,375,069.77 × 4,080,400.26 - Step 4: Simplify right side
7,518,159.18x = 42,334,437,387,026.13 - Step 5: Solve for x
x = 42,334,437,387,026.13/7,518,159.18 - Step 6: Final answer
x = 5,630,957.84
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1.5x scale
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.