Finding the Fourth Proportional to 12,779,339.24, 19,163,709.66 and 5,201,160.68
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Solution
The fourth proportional to 12,779,339.24, 19,163,709.66 and 5,201,160.68 is: 7,799,584.26
Step by Step Solution
- Step 1: Write the proportion equation
12,779,339.24 : 19,163,709.66 = 5,201,160.68 : x - Step 2: Convert to fraction form
12,779,339.24/19,163,709.66 = 5,201,160.68/x - Step 3: Cross multiply
12,779,339.24x = 19,163,709.66 × 5,201,160.68 - Step 4: Simplify right side
12,779,339.24x = 99,673,533,166,528.16 - Step 5: Solve for x
x = 99,673,533,166,528.16/12,779,339.24 - Step 6: Final answer
x = 7,799,584.26
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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.