Finding the Fourth Proportional to 19,538,976.12, 29,271,470.37 and 13,042,462.53
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Solution
The fourth proportional to 19,538,976.12, 29,271,470.37 and 13,042,462.53 is: 19,539,000.06
Step by Step Solution
- Step 1: Write the proportion equation
19,538,976.12 : 29,271,470.37 = 13,042,462.53 : x - Step 2: Convert to fraction form
19,538,976.12/29,271,470.37 = 13,042,462.53/x - Step 3: Cross multiply
19,538,976.12x = 29,271,470.37 × 13,042,462.53 - Step 4: Simplify right side
19,538,976.12x = 381,772,055,498,730.25 - Step 5: Solve for x
x = 381,772,055,498,730.25/19,538,976.12 - Step 6: Final answer
x = 19,539,000.06
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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.