Finding the Fourth Proportional to 13,291,280.10, 19,936,920.15 and 7,606,829.70
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Solution
The fourth proportional to 13,291,280.10, 19,936,920.15 and 7,606,829.70 is: 11,410,244.55
Step by Step Solution
- Step 1: Write the proportion equation
13,291,280.10 : 19,936,920.15 = 7,606,829.70 : x - Step 2: Convert to fraction form
13,291,280.10/19,936,920.15 = 7,606,829.70/x - Step 3: Cross multiply
13,291,280.10x = 19,936,920.15 × 7,606,829.70 - Step 4: Simplify right side
13,291,280.10x = 151,656,756,323,548.44 - Step 5: Solve for x
x = 151,656,756,323,548.44/13,291,280.10 - Step 6: Final answer
x = 11,410,244.55
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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.