Finding the Fourth Proportional to 15,794,246.88, 21,796,204.80 and 9,267,985.08
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Solution
The fourth proportional to 15,794,246.88, 21,796,204.80 and 9,267,985.08 is: 12,789,903.97
Step by Step Solution
- Step 1: Write the proportion equation
15,794,246.88 : 21,796,204.80 = 9,267,985.08 : x - Step 2: Convert to fraction form
15,794,246.88/21,796,204.80 = 9,267,985.08/x - Step 3: Cross multiply
15,794,246.88x = 21,796,204.80 × 9,267,985.08 - Step 4: Simplify right side
15,794,246.88x = 202,006,900,887,024.41 - Step 5: Solve for x
x = 202,006,900,887,024.41/15,794,246.88 - Step 6: Final answer
x = 12,789,903.97
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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.