Finding the Fourth Proportional to 26,299,980.18, 39,453,676.02 and 8,105,646.78
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Solution
The fourth proportional to 26,299,980.18, 39,453,676.02 and 8,105,646.78 is: 12,159,612.28
Step by Step Solution
- Step 1: Write the proportion equation
26,299,980.18 : 39,453,676.02 = 8,105,646.78 : x - Step 2: Convert to fraction form
26,299,980.18/39,453,676.02 = 8,105,646.78/x - Step 3: Cross multiply
26,299,980.18x = 39,453,676.02 × 8,105,646.78 - Step 4: Simplify right side
26,299,980.18x = 319,797,561,990,676.25 - Step 5: Solve for x
x = 319,797,561,990,676.25/26,299,980.18 - Step 6: Final answer
x = 12,159,612.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.