Finding the Fourth Proportional to 38,437,535.68, 53,043,803.36 and 21,033,884.48
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Solution
The fourth proportional to 38,437,535.68, 53,043,803.36 and 21,033,884.48 is: 29,026,762.84
Step by Step Solution
- Step 1: Write the proportion equation
38,437,535.68 : 53,043,803.36 = 21,033,884.48 : x - Step 2: Convert to fraction form
38,437,535.68/53,043,803.36 = 21,033,884.48/x - Step 3: Cross multiply
38,437,535.68x = 53,043,803.36 × 21,033,884.48 - Step 4: Simplify right side
38,437,535.68x = 1,115,717,232,254,075.88 - Step 5: Solve for x
x = 1,115,717,232,254,075.88/38,437,535.68 - Step 6: Final answer
x = 29,026,762.84
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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.