Finding the Fourth Proportional to 13,017,774.40, 19,526,661.60 and 8,482,811.20
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Solution
The fourth proportional to 13,017,774.40, 19,526,661.60 and 8,482,811.20 is: 12,724,216.80
Step by Step Solution
- Step 1: Write the proportion equation
13,017,774.40 : 19,526,661.60 = 8,482,811.20 : x - Step 2: Convert to fraction form
13,017,774.40/19,526,661.60 = 8,482,811.20/x - Step 3: Cross multiply
13,017,774.40x = 19,526,661.60 × 8,482,811.20 - Step 4: Simplify right side
13,017,774.40x = 165,640,983,719,089.91 - Step 5: Solve for x
x = 165,640,983,719,089.91/13,017,774.40 - Step 6: Final answer
x = 12,724,216.80
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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.