Finding the Fourth Proportional to 13,818,593.36, 20,730,546.84 and 5,298,265.33
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Solution
The fourth proportional to 13,818,593.36, 20,730,546.84 and 5,298,265.33 is: 7,948,416.65
Step by Step Solution
- Step 1: Write the proportion equation
13,818,593.36 : 20,730,546.84 = 5,298,265.33 : x - Step 2: Convert to fraction form
13,818,593.36/20,730,546.84 = 5,298,265.33/x - Step 3: Cross multiply
13,818,593.36x = 20,730,546.84 × 5,298,265.33 - Step 4: Simplify right side
13,818,593.36x = 109,835,937,594,313.06 - Step 5: Solve for x
x = 109,835,937,594,313.06/13,818,593.36 - Step 6: Final answer
x = 7,948,416.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.