Finding the Fourth Proportional to 12,756,822.48, 17,594,448.84 and 8,173,590.48
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Solution
The fourth proportional to 12,756,822.48, 17,594,448.84 and 8,173,590.48 is: 11,273,169.30
Step by Step Solution
- Step 1: Write the proportion equation
12,756,822.48 : 17,594,448.84 = 8,173,590.48 : x - Step 2: Convert to fraction form
12,756,822.48/17,594,448.84 = 8,173,590.48/x - Step 3: Cross multiply
12,756,822.48x = 17,594,448.84 × 8,173,590.48 - Step 4: Simplify right side
12,756,822.48x = 143,809,819,539,471.06 - Step 5: Solve for x
x = 143,809,819,539,471.06/12,756,822.48 - Step 6: Final answer
x = 11,273,169.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.