Finding the Fourth Proportional to 7,449,426.10, 11,174,139.15 and 2,657,271.70
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Solution
The fourth proportional to 7,449,426.10, 11,174,139.15 and 2,657,271.70 is: 3,985,907.55
Step by Step Solution
- Step 1: Write the proportion equation
7,449,426.10 : 11,174,139.15 = 2,657,271.70 : x - Step 2: Convert to fraction form
7,449,426.10/11,174,139.15 = 2,657,271.70/x - Step 3: Cross multiply
7,449,426.10x = 11,174,139.15 × 2,657,271.70 - Step 4: Simplify right side
7,449,426.10x = 29,692,723,735,157.06 - Step 5: Solve for x
x = 29,692,723,735,157.06/7,449,426.10 - Step 6: Final answer
x = 3,985,907.55
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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.