Finding the Fourth Proportional to 30,484,395.91, 42,068,512.44 and 16,545,756.02
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Solution
The fourth proportional to 30,484,395.91, 42,068,512.44 and 16,545,756.02 is: 22,833,168.32
Step by Step Solution
- Step 1: Write the proportion equation
30,484,395.91 : 42,068,512.44 = 16,545,756.02 : x - Step 2: Convert to fraction form
30,484,395.91/42,068,512.44 = 16,545,756.02/x - Step 3: Cross multiply
30,484,395.91x = 42,068,512.44 × 16,545,756.02 - Step 4: Simplify right side
30,484,395.91x = 696,055,342,956,574.88 - Step 5: Solve for x
x = 696,055,342,956,574.88/30,484,395.91 - Step 6: Final answer
x = 22,833,168.32
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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.