Finding the Fourth Proportional to 19,193,005.32, 28,800,884.12 and 7,070,974.49
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Solution
The fourth proportional to 19,193,005.32, 28,800,884.12 and 7,070,974.49 is: 10,610,652.86
Step by Step Solution
- Step 1: Write the proportion equation
19,193,005.32 : 28,800,884.12 = 7,070,974.49 : x - Step 2: Convert to fraction form
19,193,005.32/28,800,884.12 = 7,070,974.49/x - Step 3: Cross multiply
19,193,005.32x = 28,800,884.12 × 7,070,974.49 - Step 4: Simplify right side
19,193,005.32x = 203,650,316,722,606.81 - Step 5: Solve for x
x = 203,650,316,722,606.81/19,193,005.32 - Step 6: Final answer
x = 10,610,652.86
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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.