Finding the Fourth Proportional to 51,995,764.28, 71,753,277.84 and 28,790,393.06
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Solution
The fourth proportional to 51,995,764.28, 71,753,277.84 and 28,790,393.06 is: 39,730,256.90
Step by Step Solution
- Step 1: Write the proportion equation
51,995,764.28 : 71,753,277.84 = 28,790,393.06 : x - Step 2: Convert to fraction form
51,995,764.28/71,753,277.84 = 28,790,393.06/x - Step 3: Cross multiply
51,995,764.28x = 71,753,277.84 × 28,790,393.06 - Step 4: Simplify right side
51,995,764.28x = 2,065,805,072,356,987.75 - Step 5: Solve for x
x = 2,065,805,072,356,987.75/51,995,764.28 - Step 6: Final answer
x = 39,730,256.90
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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.