Finding the Fourth Proportional to 24,603,981.70, 36,905,972.55 and 13,124,856.10
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Solution
The fourth proportional to 24,603,981.70, 36,905,972.55 and 13,124,856.10 is: 19,687,284.15
Step by Step Solution
- Step 1: Write the proportion equation
24,603,981.70 : 36,905,972.55 = 13,124,856.10 : x - Step 2: Convert to fraction form
24,603,981.70/36,905,972.55 = 13,124,856.10/x - Step 3: Cross multiply
24,603,981.70x = 36,905,972.55 × 13,124,856.10 - Step 4: Simplify right side
24,603,981.70x = 484,385,578,949,300 - Step 5: Solve for x
x = 484,385,578,949,300/24,603,981.70 - Step 6: Final answer
x = 19,687,284.15
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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.