Finding the Fourth Proportional to 19,963,406.70, 29,945,110.05 and 19,795,445.10
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Solution
The fourth proportional to 19,963,406.70, 29,945,110.05 and 19,795,445.10 is: 29,693,167.65
Step by Step Solution
- Step 1: Write the proportion equation
19,963,406.70 : 29,945,110.05 = 19,795,445.10 : x - Step 2: Convert to fraction form
19,963,406.70/29,945,110.05 = 19,795,445.10/x - Step 3: Cross multiply
19,963,406.70x = 29,945,110.05 × 19,795,445.10 - Step 4: Simplify right side
19,963,406.70x = 592,776,782,008,233.38 - Step 5: Solve for x
x = 592,776,782,008,233.38/19,963,406.70 - Step 6: Final answer
x = 29,693,167.65
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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.