Finding the Fourth Proportional to 15,563,124.28, 21,473,329.26 and 9,123,352.12
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Solution
The fourth proportional to 15,563,124.28, 21,473,329.26 and 9,123,352.12 is: 12,588,008.71
Step by Step Solution
- Step 1: Write the proportion equation
15,563,124.28 : 21,473,329.26 = 9,123,352.12 : x - Step 2: Convert to fraction form
15,563,124.28/21,473,329.26 = 9,123,352.12/x - Step 3: Cross multiply
15,563,124.28x = 21,473,329.26 × 9,123,352.12 - Step 4: Simplify right side
15,563,124.28x = 195,908,744,027,679.03 - Step 5: Solve for x
x = 195,908,744,027,679.03/15,563,124.28 - Step 6: Final answer
x = 12,588,008.71
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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.