Finding the Fourth Proportional to 39,292,699.05, 58,947,884.06 and 11,996,708.31
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Solution
The fourth proportional to 39,292,699.05, 58,947,884.06 and 11,996,708.31 is: 17,997,760.08
Step by Step Solution
- Step 1: Write the proportion equation
39,292,699.05 : 58,947,884.06 = 11,996,708.31 : x - Step 2: Convert to fraction form
39,292,699.05/58,947,884.06 = 11,996,708.31/x - Step 3: Cross multiply
39,292,699.05x = 58,947,884.06 × 11,996,708.31 - Step 4: Simplify right side
39,292,699.05x = 707,180,570,499,535 - Step 5: Solve for x
x = 707,180,570,499,535/39,292,699.05 - Step 6: Final answer
x = 17,997,760.08
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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.