Finding the Fourth Proportional to 43,182,236.40, 64,784,698.96 and 15,518,946.90
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Solution
The fourth proportional to 43,182,236.40, 64,784,698.96 and 15,518,946.90 is: 23,282,497.32
Step by Step Solution
- Step 1: Write the proportion equation
43,182,236.40 : 64,784,698.96 = 15,518,946.90 : x - Step 2: Convert to fraction form
43,182,236.40/64,784,698.96 = 15,518,946.90/x - Step 3: Cross multiply
43,182,236.40x = 64,784,698.96 × 15,518,946.90 - Step 4: Simplify right side
43,182,236.40x = 1,005,390,303,092,725.25 - Step 5: Solve for x
x = 1,005,390,303,092,725.25/43,182,236.40 - Step 6: Final answer
x = 23,282,497.32
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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.