Finding the Fourth Proportional to 16,368,117.70, 24,536,430.15 and 12,722,826.10
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Solution
The fourth proportional to 16,368,117.70, 24,536,430.15 and 12,722,826.10 is: 19,071,999.58
Step by Step Solution
- Step 1: Write the proportion equation
16,368,117.70 : 24,536,430.15 = 12,722,826.10 : x - Step 2: Convert to fraction form
16,368,117.70/24,536,430.15 = 12,722,826.10/x - Step 3: Cross multiply
16,368,117.70x = 24,536,430.15 × 12,722,826.10 - Step 4: Simplify right side
16,368,117.70x = 312,172,733,913,246.88 - Step 5: Solve for x
x = 312,172,733,913,246.88/16,368,117.70 - Step 6: Final answer
x = 19,071,999.58
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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.