Finding the Fourth Proportional to 14,195,725.68, 21,308,743.08 and 6,112,703.28
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Solution
The fourth proportional to 14,195,725.68, 21,308,743.08 and 6,112,703.28 is: 9,175,580.50
Step by Step Solution
- Step 1: Write the proportion equation
14,195,725.68 : 21,308,743.08 = 6,112,703.28 : x - Step 2: Convert to fraction form
14,195,725.68/21,308,743.08 = 6,112,703.28/x - Step 3: Cross multiply
14,195,725.68x = 21,308,743.08 × 6,112,703.28 - Step 4: Simplify right side
14,195,725.68x = 130,254,023,717,793.30 - Step 5: Solve for x
x = 130,254,023,717,793.30/14,195,725.68 - Step 6: Final answer
x = 9,175,580.50
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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.