Finding the Fourth Proportional to 13,120,992.41, 19,680,159.79 and 3,537,339.71
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Solution
The fourth proportional to 13,120,992.41, 19,680,159.79 and 3,537,339.71 is: 5,305,651.32
Step by Step Solution
- Step 1: Write the proportion equation
13,120,992.41 : 19,680,159.79 = 3,537,339.71 : x - Step 2: Convert to fraction form
13,120,992.41/19,680,159.79 = 3,537,339.71/x - Step 3: Cross multiply
13,120,992.41x = 19,680,159.79 × 3,537,339.71 - Step 4: Simplify right side
13,120,992.41x = 69,615,410,724,312.26 - Step 5: Solve for x
x = 69,615,410,724,312.26/13,120,992.41 - Step 6: Final answer
x = 5,305,651.32
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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.