Finding the Fourth Proportional to 10,642,908.78, 15,966,904.95 and 3,454,463.34
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Solution
The fourth proportional to 10,642,908.78, 15,966,904.95 and 3,454,463.34 is: 5,182,520.02
Step by Step Solution
- Step 1: Write the proportion equation
10,642,908.78 : 15,966,904.95 = 3,454,463.34 : x - Step 2: Convert to fraction form
10,642,908.78/15,966,904.95 = 3,454,463.34/x - Step 3: Cross multiply
10,642,908.78x = 15,966,904.95 × 3,454,463.34 - Step 4: Simplify right side
10,642,908.78x = 55,157,087,803,039.53 - Step 5: Solve for x
x = 55,157,087,803,039.53/10,642,908.78 - Step 6: Final answer
x = 5,182,520.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.