Finding the Fourth Proportional to 10,692,108.80, 16,038,163.20 and 4,306,943.60
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Solution
The fourth proportional to 10,692,108.80, 16,038,163.20 and 4,306,943.60 is: 6,460,415.40
Step by Step Solution
- Step 1: Write the proportion equation
10,692,108.80 : 16,038,163.20 = 4,306,943.60 : x - Step 2: Convert to fraction form
10,692,108.80/16,038,163.20 = 4,306,943.60/x - Step 3: Cross multiply
10,692,108.80x = 16,038,163.20 × 4,306,943.60 - Step 4: Simplify right side
10,692,108.80x = 69,075,464,349,995.51 - Step 5: Solve for x
x = 69,075,464,349,995.51/10,692,108.80 - Step 6: Final answer
x = 6,460,415.40
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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.