Finding the Fourth Proportional to 12,763,134.19, 19,128,736.14 and 6,375,169.63
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Solution
The fourth proportional to 12,763,134.19, 19,128,736.14 and 6,375,169.63 is: 9,554,779.87
Step by Step Solution
- Step 1: Write the proportion equation
12,763,134.19 : 19,128,736.14 = 6,375,169.63 : x - Step 2: Convert to fraction form
12,763,134.19/19,128,736.14 = 6,375,169.63/x - Step 3: Cross multiply
12,763,134.19x = 19,128,736.14 × 6,375,169.63 - Step 4: Simplify right side
12,763,134.19x = 121,948,937,700,011.44 - Step 5: Solve for x
x = 121,948,937,700,011.44/12,763,134.19 - Step 6: Final answer
x = 9,554,779.87
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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.