Finding the Fourth Proportional to 14,818,428.80, 22,185,652.80 and 13,306,774.40
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Solution
The fourth proportional to 14,818,428.80, 22,185,652.80 and 13,306,774.40 is: 19,922,454.72
Step by Step Solution
- Step 1: Write the proportion equation
14,818,428.80 : 22,185,652.80 = 13,306,774.40 : x - Step 2: Convert to fraction form
14,818,428.80/22,185,652.80 = 13,306,774.40/x - Step 3: Cross multiply
14,818,428.80x = 22,185,652.80 × 13,306,774.40 - Step 4: Simplify right side
14,818,428.80x = 295,219,476,726,328.31 - Step 5: Solve for x
x = 295,219,476,726,328.31/14,818,428.80 - Step 6: Final answer
x = 19,922,454.72
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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.