Finding the Fourth Proportional to 19,046,476.84, 26,280,048.90 and 11,314,126.12
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Solution
The fourth proportional to 19,046,476.84, 26,280,048.90 and 11,314,126.12 is: 15,611,064.99
Step by Step Solution
- Step 1: Write the proportion equation
19,046,476.84 : 26,280,048.90 = 11,314,126.12 : x - Step 2: Convert to fraction form
19,046,476.84/26,280,048.90 = 11,314,126.12/x - Step 3: Cross multiply
19,046,476.84x = 26,280,048.90 × 11,314,126.12 - Step 4: Simplify right side
19,046,476.84x = 297,335,787,694,367.25 - Step 5: Solve for x
x = 297,335,787,694,367.25/19,046,476.84 - Step 6: Final answer
x = 15,611,064.99
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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.