Finding the Fourth Proportional to 9,987,826.94, 14,982,176.58 and 3,164,903.08
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Solution
The fourth proportional to 9,987,826.94, 14,982,176.58 and 3,164,903.08 is: 4,747,492.83
Step by Step Solution
- Step 1: Write the proportion equation
9,987,826.94 : 14,982,176.58 = 3,164,903.08 : x - Step 2: Convert to fraction form
9,987,826.94/14,982,176.58 = 3,164,903.08/x - Step 3: Cross multiply
9,987,826.94x = 14,982,176.58 × 3,164,903.08 - Step 4: Simplify right side
9,987,826.94x = 47,417,136,803,145.87 - Step 5: Solve for x
x = 47,417,136,803,145.87/9,987,826.94 - Step 6: Final answer
x = 4,747,492.83
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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.