Finding the Fourth Proportional to 13,982,358.76, 20,974,669.98 and 3,884,980.84
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Solution
The fourth proportional to 13,982,358.76, 20,974,669.98 and 3,884,980.84 is: 5,827,785.74
Step by Step Solution
- Step 1: Write the proportion equation
13,982,358.76 : 20,974,669.98 = 3,884,980.84 : x - Step 2: Convert to fraction form
13,982,358.76/20,974,669.98 = 3,884,980.84/x - Step 3: Cross multiply
13,982,358.76x = 20,974,669.98 × 3,884,980.84 - Step 4: Simplify right side
13,982,358.76x = 81,486,190,997,623.19 - Step 5: Solve for x
x = 81,486,190,997,623.19/13,982,358.76 - Step 6: Final answer
x = 5,827,785.74
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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.