Finding the Fourth Proportional to 13,246,028.30, 19,869,042.45 and 12,448,210.70
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Solution
The fourth proportional to 13,246,028.30, 19,869,042.45 and 12,448,210.70 is: 18,672,316.05
Step by Step Solution
- Step 1: Write the proportion equation
13,246,028.30 : 19,869,042.45 = 12,448,210.70 : x - Step 2: Convert to fraction form
13,246,028.30/19,869,042.45 = 12,448,210.70/x - Step 3: Cross multiply
13,246,028.30x = 19,869,042.45 × 12,448,210.70 - Step 4: Simplify right side
13,246,028.30x = 247,334,026,824,844.19 - Step 5: Solve for x
x = 247,334,026,824,844.19/13,246,028.30 - Step 6: Final answer
x = 18,672,316.05
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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.