Finding the Fourth Proportional to 8,818,832.35, 13,228,248.53 and 6,280,745.95
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Solution
The fourth proportional to 8,818,832.35, 13,228,248.53 and 6,280,745.95 is: 9,421,118.93
Step by Step Solution
- Step 1: Write the proportion equation
8,818,832.35 : 13,228,248.53 = 6,280,745.95 : x - Step 2: Convert to fraction form
8,818,832.35/13,228,248.53 = 6,280,745.95/x - Step 3: Cross multiply
8,818,832.35x = 13,228,248.53 × 6,280,745.95 - Step 4: Simplify right side
8,818,832.35x = 83,083,268,348,987.23 - Step 5: Solve for x
x = 83,083,268,348,987.23/8,818,832.35 - Step 6: Final answer
x = 9,421,118.93
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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.