Finding the Fourth Proportional to 14,237,388.99, 21,351,675.82 and 5,138,334.83
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Solution
The fourth proportional to 14,237,388.99, 21,351,675.82 and 5,138,334.83 is: 7,705,911.50
Step by Step Solution
- Step 1: Write the proportion equation
14,237,388.99 : 21,351,675.82 = 5,138,334.83 : x - Step 2: Convert to fraction form
14,237,388.99/21,351,675.82 = 5,138,334.83/x - Step 3: Cross multiply
14,237,388.99x = 21,351,675.82 × 5,138,334.83 - Step 4: Simplify right side
14,237,388.99x = 109,712,059,516,549.08 - Step 5: Solve for x
x = 109,712,059,516,549.08/14,237,388.99 - Step 6: Final answer
x = 7,705,911.50
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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.