Finding the Fourth Proportional to 21,779,535.27, 32,669,079.94 and 5,605,423.68
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Solution
The fourth proportional to 21,779,535.27, 32,669,079.94 and 5,605,423.68 is: 8,408,078.14
Step by Step Solution
- Step 1: Write the proportion equation
21,779,535.27 : 32,669,079.94 = 5,605,423.68 : x - Step 2: Convert to fraction form
21,779,535.27/32,669,079.94 = 5,605,423.68/x - Step 3: Cross multiply
21,779,535.27x = 32,669,079.94 × 5,605,423.68 - Step 4: Simplify right side
21,779,535.27x = 183,124,034,299,488.97 - Step 5: Solve for x
x = 183,124,034,299,488.97/21,779,535.27 - Step 6: Final answer
x = 8,408,078.14
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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.