Finding the Fourth Proportional to 57,580,420.56, 86,370,630.84 and 19,241,934.68
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Solution
The fourth proportional to 57,580,420.56, 86,370,630.84 and 19,241,934.68 is: 28,862,902.01
Step by Step Solution
- Step 1: Write the proportion equation
57,580,420.56 : 86,370,630.84 = 19,241,934.68 : x - Step 2: Convert to fraction form
57,580,420.56/86,370,630.84 = 19,241,934.68/x - Step 3: Cross multiply
57,580,420.56x = 86,370,630.84 × 19,241,934.68 - Step 4: Simplify right side
57,580,420.56x = 1,661,938,036,461,820.50 - Step 5: Solve for x
x = 1,661,938,036,461,820.50/57,580,420.56 - Step 6: Final answer
x = 28,862,902.01
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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.