Finding the Fourth Proportional to 48,571,479.18, 72,836,480.09 and 28,115,318.63
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Solution
The fourth proportional to 48,571,479.18, 72,836,480.09 and 28,115,318.63 is: 42,160,973.49
Step by Step Solution
- Step 1: Write the proportion equation
48,571,479.18 : 72,836,480.09 = 28,115,318.63 : x - Step 2: Convert to fraction form
48,571,479.18/72,836,480.09 = 28,115,318.63/x - Step 3: Cross multiply
48,571,479.18x = 72,836,480.09 × 28,115,318.63 - Step 4: Simplify right side
48,571,479.18x = 2,047,820,845,870,380.75 - Step 5: Solve for x
x = 2,047,820,845,870,380.75/48,571,479.18 - Step 6: Final answer
x = 42,160,973.49
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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.