Finding the Fourth Proportional to 19,926,073.20, 29,889,109.80 and 5,551,359.60
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Solution
The fourth proportional to 19,926,073.20, 29,889,109.80 and 5,551,359.60 is: 8,327,039.40
Step by Step Solution
- Step 1: Write the proportion equation
19,926,073.20 : 29,889,109.80 = 5,551,359.60 : x - Step 2: Convert to fraction form
19,926,073.20/29,889,109.80 = 5,551,359.60/x - Step 3: Cross multiply
19,926,073.20x = 29,889,109.80 × 5,551,359.60 - Step 4: Simplify right side
19,926,073.20x = 165,925,196,623,684.06 - Step 5: Solve for x
x = 165,925,196,623,684.06/19,926,073.20 - Step 6: Final answer
x = 8,327,039.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.