Finding the Fourth Proportional to 26,301,016.68, 39,455,446.20 and 8,103,689.52
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Solution
The fourth proportional to 26,301,016.68, 39,455,446.20 and 8,103,689.52 is: 12,156,742.45
Step by Step Solution
- Step 1: Write the proportion equation
26,301,016.68 : 39,455,446.20 = 8,103,689.52 : x - Step 2: Convert to fraction form
26,301,016.68/39,455,446.20 = 8,103,689.52/x - Step 3: Cross multiply
26,301,016.68x = 39,455,446.20 × 8,103,689.52 - Step 4: Simplify right side
26,301,016.68x = 319,734,685,877,863.81 - Step 5: Solve for x
x = 319,734,685,877,863.81/26,301,016.68 - Step 6: Final answer
x = 12,156,742.45
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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.