Finding the Fourth Proportional to 13,313,454.23, 19,970,750.98 and 5,228,179.12
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Solution
The fourth proportional to 13,313,454.23, 19,970,750.98 and 5,228,179.12 is: 7,842,492.38
Step by Step Solution
- Step 1: Write the proportion equation
13,313,454.23 : 19,970,750.98 = 5,228,179.12 : x - Step 2: Convert to fraction form
13,313,454.23/19,970,750.98 = 5,228,179.12/x - Step 3: Cross multiply
13,313,454.23x = 19,970,750.98 × 5,228,179.12 - Step 4: Simplify right side
13,313,454.23x = 104,410,663,315,854.19 - Step 5: Solve for x
x = 104,410,663,315,854.19/13,313,454.23 - Step 6: Final answer
x = 7,842,492.38
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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.