Finding the Fourth Proportional to 15,994,130.50, 22,048,943.07 and 11,402,480.26
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Solution
The fourth proportional to 15,994,130.50, 22,048,943.07 and 11,402,480.26 is: 15,719,056.32
Step by Step Solution
- Step 1: Write the proportion equation
15,994,130.50 : 22,048,943.07 = 11,402,480.26 : x - Step 2: Convert to fraction form
15,994,130.50/22,048,943.07 = 11,402,480.26/x - Step 3: Cross multiply
15,994,130.50x = 22,048,943.07 × 11,402,480.26 - Step 4: Simplify right side
15,994,130.50x = 251,412,638,109,538.78 - Step 5: Solve for x
x = 251,412,638,109,538.78/15,994,130.50 - Step 6: Final answer
x = 15,719,056.32
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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.