Finding the Fourth Proportional to 19,466,889.25, 26,864,259.80 and 11,203,935.09
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Solution
The fourth proportional to 19,466,889.25, 26,864,259.80 and 11,203,935.09 is: 15,461,403.17
Step by Step Solution
- Step 1: Write the proportion equation
19,466,889.25 : 26,864,259.80 = 11,203,935.09 : x - Step 2: Convert to fraction form
19,466,889.25/26,864,259.80 = 11,203,935.09/x - Step 3: Cross multiply
19,466,889.25x = 26,864,259.80 × 11,203,935.09 - Step 4: Simplify right side
19,466,889.25x = 300,985,423,084,817.69 - Step 5: Solve for x
x = 300,985,423,084,817.69/19,466,889.25 - Step 6: Final answer
x = 15,461,403.17
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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.