Finding the Fourth Proportional to 51,307,919.87, 70,804,054.68 and 27,786,265.71
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Solution
The fourth proportional to 51,307,919.87, 70,804,054.68 and 27,786,265.71 is: 38,344,572.96
Step by Step Solution
- Step 1: Write the proportion equation
51,307,919.87 : 70,804,054.68 = 27,786,265.71 : x - Step 2: Convert to fraction form
51,307,919.87/70,804,054.68 = 27,786,265.71/x - Step 3: Cross multiply
51,307,919.87x = 70,804,054.68 × 27,786,265.71 - Step 4: Simplify right side
51,307,919.87x = 1,967,380,276,683,849.25 - Step 5: Solve for x
x = 1,967,380,276,683,849.25/51,307,919.87 - Step 6: Final answer
x = 38,344,572.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.