Finding the Fourth Proportional to 22,266,554.99, 30,709,627.98 and 15,672,970.66
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Solution
The fourth proportional to 22,266,554.99, 30,709,627.98 and 15,672,970.66 is: 21,615,876.30
Step by Step Solution
- Step 1: Write the proportion equation
22,266,554.99 : 30,709,627.98 = 15,672,970.66 : x - Step 2: Convert to fraction form
22,266,554.99/30,709,627.98 = 15,672,970.66/x - Step 3: Cross multiply
22,266,554.99x = 30,709,627.98 × 15,672,970.66 - Step 4: Simplify right side
22,266,554.99x = 481,311,098,310,055.06 - Step 5: Solve for x
x = 481,311,098,310,055.06/22,266,554.99 - Step 6: Final answer
x = 21,615,876.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.