Finding the Fourth Proportional to 13,299,088.59, 19,919,764.49 and 8,165,937.15
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Solution
The fourth proportional to 13,299,088.59, 19,919,764.49 and 8,165,937.15 is: 12,231,179.88
Step by Step Solution
- Step 1: Write the proportion equation
13,299,088.59 : 19,919,764.49 = 8,165,937.15 : x - Step 2: Convert to fraction form
13,299,088.59/19,919,764.49 = 8,165,937.15/x - Step 3: Cross multiply
13,299,088.59x = 19,919,764.49 × 8,165,937.15 - Step 4: Simplify right side
13,299,088.59x = 162,663,544,827,312.12 - Step 5: Solve for x
x = 162,663,544,827,312.12/13,299,088.59 - Step 6: Final answer
x = 12,231,179.88
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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.