Finding the Fourth Proportional to 14,912,674.49, 20,579,294.30 and 8,386,301.99
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Solution
The fourth proportional to 14,912,674.49, 20,579,294.30 and 8,386,301.99 is: 11,572,986.24
Step by Step Solution
- Step 1: Write the proportion equation
14,912,674.49 : 20,579,294.30 = 8,386,301.99 : x - Step 2: Convert to fraction form
14,912,674.49/20,579,294.30 = 8,386,301.99/x - Step 3: Cross multiply
14,912,674.49x = 20,579,294.30 × 8,386,301.99 - Step 4: Simplify right side
14,912,674.49x = 172,584,176,750,402.41 - Step 5: Solve for x
x = 172,584,176,750,402.41/14,912,674.49 - Step 6: Final answer
x = 11,572,986.24
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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.