Finding the Fourth Proportional to 14,847,491.70, 22,271,237.55 and 13,771,323.68
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Solution
The fourth proportional to 14,847,491.70, 22,271,237.55 and 13,771,323.68 is: 20,656,985.51
Step by Step Solution
- Step 1: Write the proportion equation
14,847,491.70 : 22,271,237.55 = 13,771,323.68 : x - Step 2: Convert to fraction form
14,847,491.70/22,271,237.55 = 13,771,323.68/x - Step 3: Cross multiply
14,847,491.70x = 22,271,237.55 × 13,771,323.68 - Step 4: Simplify right side
14,847,491.70x = 306,704,420,943,864 - Step 5: Solve for x
x = 306,704,420,943,864/14,847,491.70 - Step 6: Final answer
x = 20,656,985.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.