Finding the Fourth Proportional to 10,125,418.20, 13,973,316.26 and 5,774,411.07
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Solution
The fourth proportional to 10,125,418.20, 13,973,316.26 and 5,774,411.07 is: 7,968,823.65
Step by Step Solution
- Step 1: Write the proportion equation
10,125,418.20 : 13,973,316.26 = 5,774,411.07 : x - Step 2: Convert to fraction form
10,125,418.20/13,973,316.26 = 5,774,411.07/x - Step 3: Cross multiply
10,125,418.20x = 13,973,316.26 × 5,774,411.07 - Step 4: Simplify right side
10,125,418.20x = 80,687,672,067,482.95 - Step 5: Solve for x
x = 80,687,672,067,482.95/10,125,418.20 - Step 6: Final answer
x = 7,968,823.65
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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.