Finding the Fourth Proportional to 32,139,157.20, 48,209,127.96 and 9,420,513.84
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Solution
The fourth proportional to 32,139,157.20, 48,209,127.96 and 9,420,513.84 is: 14,130,885.71
Step by Step Solution
- Step 1: Write the proportion equation
32,139,157.20 : 48,209,127.96 = 9,420,513.84 : x - Step 2: Convert to fraction form
32,139,157.20/48,209,127.96 = 9,420,513.84/x - Step 3: Cross multiply
32,139,157.20x = 48,209,127.96 × 9,420,513.84 - Step 4: Simplify right side
32,139,157.20x = 454,154,757,161,510.94 - Step 5: Solve for x
x = 454,154,757,161,510.94/32,139,157.20 - Step 6: Final answer
x = 14,130,885.71
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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.