Finding the Fourth Proportional to 18,679,073.41, 25,778,276.49 and 10,306,402.26
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Solution
The fourth proportional to 18,679,073.41, 25,778,276.49 and 10,306,402.26 is: 14,223,472.51
Step by Step Solution
- Step 1: Write the proportion equation
18,679,073.41 : 25,778,276.49 = 10,306,402.26 : x - Step 2: Convert to fraction form
18,679,073.41/25,778,276.49 = 10,306,402.26/x - Step 3: Cross multiply
18,679,073.41x = 25,778,276.49 × 10,306,402.26 - Step 4: Simplify right side
18,679,073.41x = 265,681,287,075,440.84 - Step 5: Solve for x
x = 265,681,287,075,440.84/18,679,073.41 - Step 6: Final answer
x = 14,223,472.51
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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.