Finding the Fourth Proportional to 11,794,437.51, 16,281,345.60 and 7,929,201.18
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Solution
The fourth proportional to 11,794,437.51, 16,281,345.60 and 7,929,201.18 is: 10,945,673.72
Step by Step Solution
- Step 1: Write the proportion equation
11,794,437.51 : 16,281,345.60 = 7,929,201.18 : x - Step 2: Convert to fraction form
11,794,437.51/16,281,345.60 = 7,929,201.18/x - Step 3: Cross multiply
11,794,437.51x = 16,281,345.60 × 7,929,201.18 - Step 4: Simplify right side
11,794,437.51x = 129,098,064,743,507.80 - Step 5: Solve for x
x = 129,098,064,743,507.80/11,794,437.51 - Step 6: Final answer
x = 10,945,673.72
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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.