Finding the Fourth Proportional to 13,941,798.06, 19,241,180.48 and 8,438,201.66
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Solution
The fourth proportional to 13,941,798.06, 19,241,180.48 and 8,438,201.66 is: 11,645,625.65
Step by Step Solution
- Step 1: Write the proportion equation
13,941,798.06 : 19,241,180.48 = 8,438,201.66 : x - Step 2: Convert to fraction form
13,941,798.06/19,241,180.48 = 8,438,201.66/x - Step 3: Cross multiply
13,941,798.06x = 19,241,180.48 × 8,438,201.66 - Step 4: Simplify right side
13,941,798.06x = 162,360,961,066,695.59 - Step 5: Solve for x
x = 162,360,961,066,695.59/13,941,798.06 - Step 6: Final answer
x = 11,645,625.65
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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.