Finding the Fourth Proportional to 10,779,496.80, 16,171,491.60 and 3,593,263.20
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Solution
The fourth proportional to 10,779,496.80, 16,171,491.60 and 3,593,263.20 is: 5,390,643.62
Step by Step Solution
- Step 1: Write the proportion equation
10,779,496.80 : 16,171,491.60 = 3,593,263.20 : x - Step 2: Convert to fraction form
10,779,496.80/16,171,491.60 = 3,593,263.20/x - Step 3: Cross multiply
10,779,496.80x = 16,171,491.60 × 3,593,263.20 - Step 4: Simplify right side
10,779,496.80x = 58,108,425,655,389.12 - Step 5: Solve for x
x = 58,108,425,655,389.12/10,779,496.80 - Step 6: Final answer
x = 5,390,643.62
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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.