Finding the Fourth Proportional to 42,373,523.12, 63,560,875.17 and 12,081,386.12
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Solution
The fourth proportional to 42,373,523.12, 63,560,875.17 and 12,081,386.12 is: 18,122,247.54
Step by Step Solution
- Step 1: Write the proportion equation
42,373,523.12 : 63,560,875.17 = 12,081,386.12 : x - Step 2: Convert to fraction form
42,373,523.12/63,560,875.17 = 12,081,386.12/x - Step 3: Cross multiply
42,373,523.12x = 63,560,875.17 × 12,081,386.12 - Step 4: Simplify right side
42,373,523.12x = 767,903,475,053,890.62 - Step 5: Solve for x
x = 767,903,475,053,890.62/42,373,523.12 - Step 6: Final answer
x = 18,122,247.54
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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.