Finding the Fourth Proportional to 51,461,753.99, 71,017,220.88 and 28,256,880.95
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Solution
The fourth proportional to 51,461,753.99, 71,017,220.88 and 28,256,880.95 is: 38,994,495.92
Step by Step Solution
- Step 1: Write the proportion equation
51,461,753.99 : 71,017,220.88 = 28,256,880.95 : x - Step 2: Convert to fraction form
51,461,753.99/71,017,220.88 = 28,256,880.95/x - Step 3: Cross multiply
51,461,753.99x = 71,017,220.88 × 28,256,880.95 - Step 4: Simplify right side
51,461,753.99x = 2,006,725,155,806,014 - Step 5: Solve for x
x = 2,006,725,155,806,014/51,461,753.99 - Step 6: Final answer
x = 38,994,495.92
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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.