Finding the Fourth Proportional to 42,836,543.97, 64,280,340.68 and 15,544,964.91
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Solution
The fourth proportional to 42,836,543.97, 64,280,340.68 and 15,544,964.91 is: 23,326,710.04
Step by Step Solution
- Step 1: Write the proportion equation
42,836,543.97 : 64,280,340.68 = 15,544,964.91 : x - Step 2: Convert to fraction form
42,836,543.97/64,280,340.68 = 15,544,964.91/x - Step 3: Cross multiply
42,836,543.97x = 64,280,340.68 × 15,544,964.91 - Step 4: Simplify right side
42,836,543.97x = 999,235,640,195,720.62 - Step 5: Solve for x
x = 999,235,640,195,720.62/42,836,543.97 - Step 6: Final answer
x = 23,326,710.04
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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.