Finding the Fourth Proportional to 19,658,670.08, 27,128,224.83 and 11,399,080.94
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Solution
The fourth proportional to 19,658,670.08, 27,128,224.83 and 11,399,080.94 is: 15,730,302.68
Step by Step Solution
- Step 1: Write the proportion equation
19,658,670.08 : 27,128,224.83 = 11,399,080.94 : x - Step 2: Convert to fraction form
19,658,670.08/27,128,224.83 = 11,399,080.94/x - Step 3: Cross multiply
19,658,670.08x = 27,128,224.83 × 11,399,080.94 - Step 4: Simplify right side
19,658,670.08x = 309,236,830,725,066.06 - Step 5: Solve for x
x = 309,236,830,725,066.06/19,658,670.08 - Step 6: Final answer
x = 15,730,302.68
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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.