Finding the Fourth Proportional to 28,833,145.04, 39,789,845.60 and 15,602,322.08
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Solution
The fourth proportional to 28,833,145.04, 39,789,845.60 and 15,602,322.08 is: 21,531,261.53
Step by Step Solution
- Step 1: Write the proportion equation
28,833,145.04 : 39,789,845.60 = 15,602,322.08 : x - Step 2: Convert to fraction form
28,833,145.04/39,789,845.60 = 15,602,322.08/x - Step 3: Cross multiply
28,833,145.04x = 39,789,845.60 × 15,602,322.08 - Step 4: Simplify right side
28,833,145.04x = 620,813,986,564,670.88 - Step 5: Solve for x
x = 620,813,986,564,670.88/28,833,145.04 - Step 6: Final answer
x = 21,531,261.53
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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.