Finding the Fourth Proportional to 21,724,122.60, 32,604,554.70 and 8,953,792.20
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Solution
The fourth proportional to 21,724,122.60, 32,604,554.70 and 8,953,792.20 is: 13,438,259.99
Step by Step Solution
- Step 1: Write the proportion equation
21,724,122.60 : 32,604,554.70 = 8,953,792.20 : x - Step 2: Convert to fraction form
21,724,122.60/32,604,554.70 = 8,953,792.20/x - Step 3: Cross multiply
21,724,122.60x = 32,604,554.70 × 8,953,792.20 - Step 4: Simplify right side
21,724,122.60x = 291,934,407,557,333.31 - Step 5: Solve for x
x = 291,934,407,557,333.31/21,724,122.60 - Step 6: Final answer
x = 13,438,259.99
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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.