Finding the Fourth Proportional to 33,830,445.12, 46,685,996.64 and 19,145,844.96
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Solution
The fourth proportional to 33,830,445.12, 46,685,996.64 and 19,145,844.96 is: 26,421,256.07
Step by Step Solution
- Step 1: Write the proportion equation
33,830,445.12 : 46,685,996.64 = 19,145,844.96 : x - Step 2: Convert to fraction form
33,830,445.12/46,685,996.64 = 19,145,844.96/x - Step 3: Cross multiply
33,830,445.12x = 46,685,996.64 × 19,145,844.96 - Step 4: Simplify right side
33,830,445.12x = 893,842,853,472,521 - Step 5: Solve for x
x = 893,842,853,472,521/33,830,445.12 - Step 6: Final answer
x = 26,421,256.07
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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.