Finding the Fourth Proportional to 13,115,448.72, 19,671,395.40 and 3,531,402.36
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Solution
The fourth proportional to 13,115,448.72, 19,671,395.40 and 3,531,402.36 is: 5,296,624.89
Step by Step Solution
- Step 1: Write the proportion equation
13,115,448.72 : 19,671,395.40 = 3,531,402.36 : x - Step 2: Convert to fraction form
13,115,448.72/19,671,395.40 = 3,531,402.36/x - Step 3: Cross multiply
13,115,448.72x = 19,671,395.40 × 3,531,402.36 - Step 4: Simplify right side
13,115,448.72x = 69,467,612,140,053.13 - Step 5: Solve for x
x = 69,467,612,140,053.13/13,115,448.72 - Step 6: Final answer
x = 5,296,624.89
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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.