Finding the Fourth Proportional to 13,889,746.44, 19,167,643.04 and 7,694,780.18
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Solution
The fourth proportional to 13,889,746.44, 19,167,643.04 and 7,694,780.18 is: 10,618,681.94
Step by Step Solution
- Step 1: Write the proportion equation
13,889,746.44 : 19,167,643.04 = 7,694,780.18 : x - Step 2: Convert to fraction form
13,889,746.44/19,167,643.04 = 7,694,780.18/x - Step 3: Cross multiply
13,889,746.44x = 19,167,643.04 × 7,694,780.18 - Step 4: Simplify right side
13,889,746.44x = 147,490,799,627,194.84 - Step 5: Solve for x
x = 147,490,799,627,194.84/13,889,746.44 - Step 6: Final answer
x = 10,618,681.94
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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.