Finding the Fourth Proportional to 19,674,266.70, 29,511,400.05 and 15,564,456.30
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Solution
The fourth proportional to 19,674,266.70, 29,511,400.05 and 15,564,456.30 is: 23,346,684.45
Step by Step Solution
- Step 1: Write the proportion equation
19,674,266.70 : 29,511,400.05 = 15,564,456.30 : x - Step 2: Convert to fraction form
19,674,266.70/29,511,400.05 = 15,564,456.30/x - Step 3: Cross multiply
19,674,266.70x = 29,511,400.05 × 15,564,456.30 - Step 4: Simplify right side
19,674,266.70x = 459,328,896,430,042.88 - Step 5: Solve for x
x = 459,328,896,430,042.88/19,674,266.70 - Step 6: Final answer
x = 23,346,684.45
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1.5x scale
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.