Finding the Fourth Proportional to 19,430,454.50, 26,814,157.11 and 10,609,967.06
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Solution
The fourth proportional to 19,430,454.50, 26,814,157.11 and 10,609,967.06 is: 14,641,825.47
Step by Step Solution
- Step 1: Write the proportion equation
19,430,454.50 : 26,814,157.11 = 10,609,967.06 : x - Step 2: Convert to fraction form
19,430,454.50/26,814,157.11 = 10,609,967.06/x - Step 3: Cross multiply
19,430,454.50x = 26,814,157.11 × 10,609,967.06 - Step 4: Simplify right side
19,430,454.50x = 284,497,323,491,644.19 - Step 5: Solve for x
x = 284,497,323,491,644.19/19,430,454.50 - Step 6: Final answer
x = 14,641,825.47
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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.