Finding the Fourth Proportional to 19,929,837.76, 29,894,756.98 and 4,783,769.26
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Solution
The fourth proportional to 19,929,837.76, 29,894,756.98 and 4,783,769.26 is: 7,175,653.97
Step by Step Solution
- Step 1: Write the proportion equation
19,929,837.76 : 29,894,756.98 = 4,783,769.26 : x - Step 2: Convert to fraction form
19,929,837.76/29,894,756.98 = 4,783,769.26/x - Step 3: Cross multiply
19,929,837.76x = 29,894,756.98 × 4,783,769.26 - Step 4: Simplify right side
19,929,837.76x = 143,009,619,389,398.12 - Step 5: Solve for x
x = 143,009,619,389,398.12/19,929,837.76 - Step 6: Final answer
x = 7,175,653.97
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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.