Finding the Fourth Proportional to 30,753,805.80, 46,130,708.70 and 24,781,837.80
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Solution
The fourth proportional to 30,753,805.80, 46,130,708.70 and 24,781,837.80 is: 37,172,756.70
Step by Step Solution
- Step 1: Write the proportion equation
30,753,805.80 : 46,130,708.70 = 24,781,837.80 : x - Step 2: Convert to fraction form
30,753,805.80/46,130,708.70 = 24,781,837.80/x - Step 3: Cross multiply
30,753,805.80x = 46,130,708.70 × 24,781,837.80 - Step 4: Simplify right side
30,753,805.80x = 1,143,203,740,602,449 - Step 5: Solve for x
x = 1,143,203,740,602,449/30,753,805.80 - Step 6: Final answer
x = 37,172,756.70
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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.