Finding the Fourth Proportional to 19,563,671.64, 29,346,451.22 and 6,432,798.75
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Solution
The fourth proportional to 19,563,671.64, 29,346,451.22 and 6,432,798.75 is: 9,649,508.45
Step by Step Solution
- Step 1: Write the proportion equation
19,563,671.64 : 29,346,451.22 = 6,432,798.75 : x - Step 2: Convert to fraction form
19,563,671.64/29,346,451.22 = 6,432,798.75/x - Step 3: Cross multiply
19,563,671.64x = 29,346,451.22 × 6,432,798.75 - Step 4: Simplify right side
19,563,671.64x = 188,779,814,724,951.97 - Step 5: Solve for x
x = 188,779,814,724,951.97/19,563,671.64 - Step 6: Final answer
x = 9,649,508.45
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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.