Finding the Fourth Proportional to 19,586,334.80, 29,379,502.20 and 19,460,363.60
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Solution
The fourth proportional to 19,586,334.80, 29,379,502.20 and 19,460,363.60 is: 29,190,545.40
Step by Step Solution
- Step 1: Write the proportion equation
19,586,334.80 : 29,379,502.20 = 19,460,363.60 : x - Step 2: Convert to fraction form
19,586,334.80/29,379,502.20 = 19,460,363.60/x - Step 3: Cross multiply
19,586,334.80x = 29,379,502.20 × 19,460,363.60 - Step 4: Simplify right side
19,586,334.80x = 571,735,795,199,000 - Step 5: Solve for x
x = 571,735,795,199,000/19,586,334.80 - Step 6: Final answer
x = 29,190,545.40
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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.