Finding the Fourth Proportional to 14,137,460.26, 19,509,773.40 and 7,942,768.18
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Solution
The fourth proportional to 14,137,460.26, 19,509,773.40 and 7,942,768.18 is: 10,961,064.05
Step by Step Solution
- Step 1: Write the proportion equation
14,137,460.26 : 19,509,773.40 = 7,942,768.18 : x - Step 2: Convert to fraction form
14,137,460.26/19,509,773.40 = 7,942,768.18/x - Step 3: Cross multiply
14,137,460.26x = 19,509,773.40 × 7,942,768.18 - Step 4: Simplify right side
14,137,460.26x = 154,961,607,360,530.41 - Step 5: Solve for x
x = 154,961,607,360,530.41/14,137,460.26 - Step 6: Final answer
x = 10,961,064.05
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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.