Finding the Fourth Proportional to 19,402,098.10, 26,770,292.04 and 11,028,810.70
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Solution
The fourth proportional to 19,402,098.10, 26,770,292.04 and 11,028,810.70 is: 15,217,142.07
Step by Step Solution
- Step 1: Write the proportion equation
19,402,098.10 : 26,770,292.04 = 11,028,810.70 : x - Step 2: Convert to fraction form
19,402,098.10/26,770,292.04 = 11,028,810.70/x - Step 3: Cross multiply
19,402,098.10x = 26,770,292.04 × 11,028,810.70 - Step 4: Simplify right side
19,402,098.10x = 295,244,483,292,876.81 - Step 5: Solve for x
x = 295,244,483,292,876.81/19,402,098.10 - Step 6: Final answer
x = 15,217,142.07
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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.