Finding the Fourth Proportional to 22,697,101.14, 31,285,409.85 and 15,352,255.74
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Solution
The fourth proportional to 22,697,101.14, 31,285,409.85 and 15,352,255.74 is: 21,161,363.73
Step by Step Solution
- Step 1: Write the proportion equation
22,697,101.14 : 31,285,409.85 = 15,352,255.74 : x - Step 2: Convert to fraction form
22,697,101.14/31,285,409.85 = 15,352,255.74/x - Step 3: Cross multiply
22,697,101.14x = 31,285,409.85 × 15,352,255.74 - Step 4: Simplify right side
22,697,101.14x = 480,301,612,947,915.06 - Step 5: Solve for x
x = 480,301,612,947,915.06/22,697,101.14 - Step 6: Final answer
x = 21,161,363.73
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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.