Finding the Fourth Proportional to 14,592,462.13, 20,136,901.98 and 7,977,391.98
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Solution
The fourth proportional to 14,592,462.13, 20,136,901.98 and 7,977,391.98 is: 11,008,420.58
Step by Step Solution
- Step 1: Write the proportion equation
14,592,462.13 : 20,136,901.98 = 7,977,391.98 : x - Step 2: Convert to fraction form
14,592,462.13/20,136,901.98 = 7,977,391.98/x - Step 3: Cross multiply
14,592,462.13x = 20,136,901.98 × 7,977,391.98 - Step 4: Simplify right side
14,592,462.13x = 160,639,960,357,298.12 - Step 5: Solve for x
x = 160,639,960,357,298.12/14,592,462.13 - Step 6: Final answer
x = 11,008,420.58
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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.