Finding the Fourth Proportional to 19,812,265.28, 27,341,239.20 and 11,112,372.80
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Solution
The fourth proportional to 19,812,265.28, 27,341,239.20 and 11,112,372.80 is: 15,335,250.08
Step by Step Solution
- Step 1: Write the proportion equation
19,812,265.28 : 27,341,239.20 = 11,112,372.80 : x - Step 2: Convert to fraction form
19,812,265.28/27,341,239.20 = 11,112,372.80/x - Step 3: Cross multiply
19,812,265.28x = 27,341,239.20 × 11,112,372.80 - Step 4: Simplify right side
19,812,265.28x = 303,826,042,804,373.75 - Step 5: Solve for x
x = 303,826,042,804,373.75/19,812,265.28 - Step 6: Final answer
x = 15,335,250.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.