Finding the Fourth Proportional to 22,697,125, 31,285,442.76 and 15,352,279.60
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Solution
The fourth proportional to 22,697,125, 31,285,442.76 and 15,352,279.60 is: 21,161,396.64
Step by Step Solution
- Step 1: Write the proportion equation
22,697,125 : 31,285,442.76 = 15,352,279.60 : x - Step 2: Convert to fraction form
22,697,125/31,285,442.76 = 15,352,279.60/x - Step 3: Cross multiply
22,697,125x = 31,285,442.76 × 15,352,279.60 - Step 4: Simplify right side
22,697,125x = 480,302,864,661,315.69 - Step 5: Solve for x
x = 480,302,864,661,315.69/22,697,125 - Step 6: Final answer
x = 21,161,396.64
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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.