Finding the Fourth Proportional to 7,402,464.15, 11,103,696.23 and 5,720,774.55
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Solution
The fourth proportional to 7,402,464.15, 11,103,696.23 and 5,720,774.55 is: 8,581,161.83
Step by Step Solution
- Step 1: Write the proportion equation
7,402,464.15 : 11,103,696.23 = 5,720,774.55 : x - Step 2: Convert to fraction form
7,402,464.15/11,103,696.23 = 5,720,774.55/x - Step 3: Cross multiply
7,402,464.15x = 11,103,696.23 × 5,720,774.55 - Step 4: Simplify right side
7,402,464.15x = 63,521,742,803,514.95 - Step 5: Solve for x
x = 63,521,742,803,514.95/7,402,464.15 - Step 6: Final answer
x = 8,581,161.83
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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.