Finding the Fourth Proportional to 28,409,258.35, 39,204,788.14 and 15,356,517.23
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Solution
The fourth proportional to 28,409,258.35, 39,204,788.14 and 15,356,517.23 is: 21,192,000.06
Step by Step Solution
- Step 1: Write the proportion equation
28,409,258.35 : 39,204,788.14 = 15,356,517.23 : x - Step 2: Convert to fraction form
28,409,258.35/39,204,788.14 = 15,356,517.23/x - Step 3: Cross multiply
28,409,258.35x = 39,204,788.14 × 15,356,517.23 - Step 4: Simplify right side
28,409,258.35x = 602,049,004,687,617.25 - Step 5: Solve for x
x = 602,049,004,687,617.25/28,409,258.35 - Step 6: Final answer
x = 21,192,000.06
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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.