Finding the Fourth Proportional to 19,193,473.60, 28,790,210.41 and 6,413,978.31
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Solution
The fourth proportional to 19,193,473.60, 28,790,210.41 and 6,413,978.31 is: 9,620,967.47
Step by Step Solution
- Step 1: Write the proportion equation
19,193,473.60 : 28,790,210.41 = 6,413,978.31 : x - Step 2: Convert to fraction form
19,193,473.60/28,790,210.41 = 6,413,978.31/x - Step 3: Cross multiply
19,193,473.60x = 28,790,210.41 × 6,413,978.31 - Step 4: Simplify right side
19,193,473.60x = 184,659,785,110,076.19 - Step 5: Solve for x
x = 184,659,785,110,076.19/19,193,473.60 - Step 6: Final answer
x = 9,620,967.47
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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.