Finding the Fourth Proportional to 39,440,432.09, 59,429,857.80 and 32,409,467.66
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Solution
The fourth proportional to 39,440,432.09, 59,429,857.80 and 32,409,467.66 is: 48,835,419.70
Step by Step Solution
- Step 1: Write the proportion equation
39,440,432.09 : 59,429,857.80 = 32,409,467.66 : x - Step 2: Convert to fraction form
39,440,432.09/59,429,857.80 = 32,409,467.66/x - Step 3: Cross multiply
39,440,432.09x = 59,429,857.80 × 32,409,467.66 - Step 4: Simplify right side
39,440,432.09x = 1,926,090,054,407,498.75 - Step 5: Solve for x
x = 1,926,090,054,407,498.75/39,440,432.09 - Step 6: Final answer
x = 48,835,419.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.