Finding the Fourth Proportional to 24,258,312.70, 36,387,469.05 and 12,920,904.70
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Solution
The fourth proportional to 24,258,312.70, 36,387,469.05 and 12,920,904.70 is: 19,381,357.05
Step by Step Solution
- Step 1: Write the proportion equation
24,258,312.70 : 36,387,469.05 = 12,920,904.70 : x - Step 2: Convert to fraction form
24,258,312.70/36,387,469.05 = 12,920,904.70/x - Step 3: Cross multiply
24,258,312.70x = 36,387,469.05 × 12,920,904.70 - Step 4: Simplify right side
24,258,312.70x = 470,159,019,869,249.50 - Step 5: Solve for x
x = 470,159,019,869,249.50/24,258,312.70 - Step 6: Final answer
x = 19,381,357.05
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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.