Finding the Fourth Proportional to 10,282,102.13, 15,331,228.48 and 9,999,608.06
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Solution
The fourth proportional to 10,282,102.13, 15,331,228.48 and 9,999,608.06 is: 14,910,012.95
Step by Step Solution
- Step 1: Write the proportion equation
10,282,102.13 : 15,331,228.48 = 9,999,608.06 : x - Step 2: Convert to fraction form
10,282,102.13/15,331,228.48 = 9,999,608.06/x - Step 3: Cross multiply
10,282,102.13x = 15,331,228.48 × 9,999,608.06 - Step 4: Simplify right side
10,282,102.13x = 153,306,275,878,309.56 - Step 5: Solve for x
x = 153,306,275,878,309.56/10,282,102.13 - Step 6: Final answer
x = 14,910,012.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.