Finding the Fourth Proportional to 56,177,315.08, 84,265,971.60 and 15,787,799.08
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Solution
The fourth proportional to 56,177,315.08, 84,265,971.60 and 15,787,799.08 is: 23,681,698.33
Step by Step Solution
- Step 1: Write the proportion equation
56,177,315.08 : 84,265,971.60 = 15,787,799.08 : x - Step 2: Convert to fraction form
56,177,315.08/84,265,971.60 = 15,787,799.08/x - Step 3: Cross multiply
56,177,315.08x = 84,265,971.60 × 15,787,799.08 - Step 4: Simplify right side
56,177,315.08x = 1,330,374,228,901,786 - Step 5: Solve for x
x = 1,330,374,228,901,786/56,177,315.08 - Step 6: Final answer
x = 23,681,698.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.