Finding the Fourth Proportional to 14,137,466.13, 19,509,781.50 and 7,942,774.05
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Solution
The fourth proportional to 14,137,466.13, 19,509,781.50 and 7,942,774.05 is: 10,961,072.15
Step by Step Solution
- Step 1: Write the proportion equation
14,137,466.13 : 19,509,781.50 = 7,942,774.05 : x - Step 2: Convert to fraction form
14,137,466.13/19,509,781.50 = 7,942,774.05/x - Step 3: Cross multiply
14,137,466.13x = 19,509,781.50 × 7,942,774.05 - Step 4: Simplify right side
14,137,466.13x = 154,961,786,219,370.06 - Step 5: Solve for x
x = 154,961,786,219,370.06/14,137,466.13 - Step 6: Final answer
x = 10,961,072.15
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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.