Finding the Fourth Proportional to 45,336,177.12, 62,540,353.56 and 28,787,988.96
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Solution
The fourth proportional to 45,336,177.12, 62,540,353.56 and 28,787,988.96 is: 39,712,457.52
Step by Step Solution
- Step 1: Write the proportion equation
45,336,177.12 : 62,540,353.56 = 28,787,988.96 : x - Step 2: Convert to fraction form
45,336,177.12/62,540,353.56 = 28,787,988.96/x - Step 3: Cross multiply
45,336,177.12x = 62,540,353.56 × 28,787,988.96 - Step 4: Simplify right side
45,336,177.12x = 1,800,411,007,839,776.75 - Step 5: Solve for x
x = 1,800,411,007,839,776.75/45,336,177.12 - Step 6: Final answer
x = 39,712,457.52
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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.