Finding the Fourth Proportional to 38,779,741.80, 58,169,612.70 and 16,053,085.80
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Solution
The fourth proportional to 38,779,741.80, 58,169,612.70 and 16,053,085.80 is: 24,079,628.70
Step by Step Solution
- Step 1: Write the proportion equation
38,779,741.80 : 58,169,612.70 = 16,053,085.80 : x - Step 2: Convert to fraction form
38,779,741.80/58,169,612.70 = 16,053,085.80/x - Step 3: Cross multiply
38,779,741.80x = 58,169,612.70 × 16,053,085.80 - Step 4: Simplify right side
38,779,741.80x = 933,801,783,625,869.75 - Step 5: Solve for x
x = 933,801,783,625,869.75/38,779,741.80 - Step 6: Final answer
x = 24,079,628.70
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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.