Finding the Fourth Proportional to 19,378,160.55, 29,071,743.35 and 6,598,775.97
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Solution
The fourth proportional to 19,378,160.55, 29,071,743.35 and 6,598,775.97 is: 9,899,697.18
Step by Step Solution
- Step 1: Write the proportion equation
19,378,160.55 : 29,071,743.35 = 6,598,775.97 : x - Step 2: Convert to fraction form
19,378,160.55/29,071,743.35 = 6,598,775.97/x - Step 3: Cross multiply
19,378,160.55x = 29,071,743.35 × 6,598,775.97 - Step 4: Simplify right side
19,378,160.55x = 191,837,921,390,993.41 - Step 5: Solve for x
x = 191,837,921,390,993.41/19,378,160.55 - Step 6: Final answer
x = 9,899,697.18
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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.