Finding the Fourth Proportional to 51,596,157.87, 77,396,948.69 and 13,257,931.23
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Solution
The fourth proportional to 51,596,157.87, 77,396,948.69 and 13,257,931.23 is: 19,887,593.68
Step by Step Solution
- Step 1: Write the proportion equation
51,596,157.87 : 77,396,948.69 = 13,257,931.23 : x - Step 2: Convert to fraction form
51,596,157.87/77,396,948.69 = 13,257,931.23/x - Step 3: Cross multiply
51,596,157.87x = 77,396,948.69 × 13,257,931.23 - Step 4: Simplify right side
51,596,157.87x = 1,026,123,423,077,569 - Step 5: Solve for x
x = 1,026,123,423,077,569/51,596,157.87 - Step 6: Final answer
x = 19,887,593.68
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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.