Finding the Fourth Proportional to 19,660,404.62, 27,142,996.66 and 17,478,922.35
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Solution
The fourth proportional to 19,660,404.62, 27,142,996.66 and 17,478,922.35 is: 24,131,259.76
Step by Step Solution
- Step 1: Write the proportion equation
19,660,404.62 : 27,142,996.66 = 17,478,922.35 : x - Step 2: Convert to fraction form
19,660,404.62/27,142,996.66 = 17,478,922.35/x - Step 3: Cross multiply
19,660,404.62x = 27,142,996.66 × 17,478,922.35 - Step 4: Simplify right side
19,660,404.62x = 474,430,330,922,752.06 - Step 5: Solve for x
x = 474,430,330,922,752.06/19,660,404.62 - Step 6: Final answer
x = 24,131,259.76
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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.