Finding the Fourth Proportional to 52,612,132.98, 78,916,420.70 and 18,532,588.26
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Solution
The fourth proportional to 52,612,132.98, 78,916,420.70 and 18,532,588.26 is: 27,798,255.82
Step by Step Solution
- Step 1: Write the proportion equation
52,612,132.98 : 78,916,420.70 = 18,532,588.26 : x - Step 2: Convert to fraction form
52,612,132.98/78,916,420.70 = 18,532,588.26/x - Step 3: Cross multiply
52,612,132.98x = 78,916,420.70 × 18,532,588.26 - Step 4: Simplify right side
52,612,132.98x = 1,462,525,531,786,041.25 - Step 5: Solve for x
x = 1,462,525,531,786,041.25/52,612,132.98 - Step 6: Final answer
x = 27,798,255.82
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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.