Finding the Fourth Proportional to 19,759,657.68, 27,271,179.87 and 11,385,423.58
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Solution
The fourth proportional to 19,759,657.68, 27,271,179.87 and 11,385,423.58 is: 15,713,528.01
Step by Step Solution
- Step 1: Write the proportion equation
19,759,657.68 : 27,271,179.87 = 11,385,423.58 : x - Step 2: Convert to fraction form
19,759,657.68/27,271,179.87 = 11,385,423.58/x - Step 3: Cross multiply
19,759,657.68x = 27,271,179.87 × 11,385,423.58 - Step 4: Simplify right side
19,759,657.68x = 310,493,934,346,319.38 - Step 5: Solve for x
x = 310,493,934,346,319.38/19,759,657.68 - Step 6: Final answer
x = 15,713,528.01
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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.