Finding the Fourth Proportional to 12,763,151.55, 19,128,762.16 and 6,375,186.99
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Solution
The fourth proportional to 12,763,151.55, 19,128,762.16 and 6,375,186.99 is: 9,554,805.89
Step by Step Solution
- Step 1: Write the proportion equation
12,763,151.55 : 19,128,762.16 = 6,375,186.99 : x - Step 2: Convert to fraction form
12,763,151.55/19,128,762.16 = 6,375,186.99/x - Step 3: Cross multiply
12,763,151.55x = 19,128,762.16 × 6,375,186.99 - Step 4: Simplify right side
12,763,151.55x = 121,949,435,641,298.33 - Step 5: Solve for x
x = 121,949,435,641,298.33/12,763,151.55 - Step 6: Final answer
x = 9,554,805.89
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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.