Finding the Fourth Proportional to 13,212,813.34, 19,805,829.09 and 8,953,412.14
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Solution
The fourth proportional to 13,212,813.34, 19,805,829.09 and 8,953,412.14 is: 13,421,044.11
Step by Step Solution
- Step 1: Write the proportion equation
13,212,813.34 : 19,805,829.09 = 8,953,412.14 : x - Step 2: Convert to fraction form
13,212,813.34/19,805,829.09 = 8,953,412.14/x - Step 3: Cross multiply
13,212,813.34x = 19,805,829.09 × 8,953,412.14 - Step 4: Simplify right side
13,212,813.34x = 177,329,750,617,171.16 - Step 5: Solve for x
x = 177,329,750,617,171.16/13,212,813.34 - Step 6: Final answer
x = 13,421,044.11
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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.