Finding the Fourth Proportional to 40,909,835.12, 56,456,771.51 and 22,326,170.09
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Solution
The fourth proportional to 40,909,835.12, 56,456,771.51 and 22,326,170.09 is: 30,810,769.09
Step by Step Solution
- Step 1: Write the proportion equation
40,909,835.12 : 56,456,771.51 = 22,326,170.09 : x - Step 2: Convert to fraction form
40,909,835.12/56,456,771.51 = 22,326,170.09/x - Step 3: Cross multiply
40,909,835.12x = 56,456,771.51 × 22,326,170.09 - Step 4: Simplify right side
40,909,835.12x = 1,260,463,483,238,057.75 - Step 5: Solve for x
x = 1,260,463,483,238,057.75/40,909,835.12 - Step 6: Final answer
x = 30,810,769.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.