Finding the Fourth Proportional to 10,219,955.25, 15,322,365.86 and 6,175,496.06
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Solution
The fourth proportional to 10,219,955.25, 15,322,365.86 and 6,175,496.06 is: 9,258,671.65
Step by Step Solution
- Step 1: Write the proportion equation
10,219,955.25 : 15,322,365.86 = 6,175,496.06 : x - Step 2: Convert to fraction form
10,219,955.25/15,322,365.86 = 6,175,496.06/x - Step 3: Cross multiply
10,219,955.25x = 15,322,365.86 × 6,175,496.06 - Step 4: Simplify right side
10,219,955.25x = 94,623,209,890,819.20 - Step 5: Solve for x
x = 94,623,209,890,819.20/10,219,955.25 - Step 6: Final answer
x = 9,258,671.65
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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.