Finding the Fourth Proportional to 9,259,605.22, 12,775,946.70 and 5,340,559.99
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Solution
The fourth proportional to 9,259,605.22, 12,775,946.70 and 5,340,559.99 is: 7,368,641.34
Step by Step Solution
- Step 1: Write the proportion equation
9,259,605.22 : 12,775,946.70 = 5,340,559.99 : x - Step 2: Convert to fraction form
9,259,605.22/12,775,946.70 = 5,340,559.99/x - Step 3: Cross multiply
9,259,605.22x = 12,775,946.70 × 5,340,559.99 - Step 4: Simplify right side
9,259,605.22x = 68,230,709,780,392.53 - Step 5: Solve for x
x = 68,230,709,780,392.53/9,259,605.22 - Step 6: Final answer
x = 7,368,641.34
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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.