Finding the Fourth Proportional to 55,628,184.84, 83,454,242.58 and 18,743,746.20
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Solution
The fourth proportional to 55,628,184.84, 83,454,242.58 and 18,743,746.20 is: 28,119,650.98
Step by Step Solution
- Step 1: Write the proportion equation
55,628,184.84 : 83,454,242.58 = 18,743,746.20 : x - Step 2: Convert to fraction form
55,628,184.84/83,454,242.58 = 18,743,746.20/x - Step 3: Cross multiply
55,628,184.84x = 83,454,242.58 × 18,743,746.20 - Step 4: Simplify right side
55,628,184.84x = 1,564,245,142,232,753 - Step 5: Solve for x
x = 1,564,245,142,232,753/55,628,184.84 - Step 6: Final answer
x = 28,119,650.98
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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.