Finding the Fourth Proportional to 49,731,628.40, 74,607,531.60 and 15,645,046.40
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Solution
The fourth proportional to 49,731,628.40, 74,607,531.60 and 15,645,046.40 is: 23,470,743.49
Step by Step Solution
- Step 1: Write the proportion equation
49,731,628.40 : 74,607,531.60 = 15,645,046.40 : x - Step 2: Convert to fraction form
49,731,628.40/74,607,531.60 = 15,645,046.40/x - Step 3: Cross multiply
49,731,628.40x = 74,607,531.60 × 15,645,046.40 - Step 4: Simplify right side
49,731,628.40x = 1,167,238,293,671,466.25 - Step 5: Solve for x
x = 1,167,238,293,671,466.25/49,731,628.40 - Step 6: Final answer
x = 23,470,743.49
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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.