Finding the Fourth Proportional to 15,307,143.84, 22,961,240.58 and 8,108,939.52
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Solution
The fourth proportional to 15,307,143.84, 22,961,240.58 and 8,108,939.52 is: 12,163,687.30
Step by Step Solution
- Step 1: Write the proportion equation
15,307,143.84 : 22,961,240.58 = 8,108,939.52 : x - Step 2: Convert to fraction form
15,307,143.84/22,961,240.58 = 8,108,939.52/x - Step 3: Cross multiply
15,307,143.84x = 22,961,240.58 × 8,108,939.52 - Step 4: Simplify right side
15,307,143.84x = 186,191,311,167,389.69 - Step 5: Solve for x
x = 186,191,311,167,389.69/15,307,143.84 - Step 6: Final answer
x = 12,163,687.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.