Finding the Fourth Proportional to 19,565,918.80, 29,313,448.80 and 16,731,566.80
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Solution
The fourth proportional to 19,565,918.80, 29,313,448.80 and 16,731,566.80 is: 25,067,053.16
Step by Step Solution
- Step 1: Write the proportion equation
19,565,918.80 : 29,313,448.80 = 16,731,566.80 : x - Step 2: Convert to fraction form
19,565,918.80/29,313,448.80 = 16,731,566.80/x - Step 3: Cross multiply
19,565,918.80x = 29,313,448.80 × 16,731,566.80 - Step 4: Simplify right side
19,565,918.80x = 490,459,926,735,579.88 - Step 5: Solve for x
x = 490,459,926,735,579.88/19,565,918.80 - Step 6: Final answer
x = 25,067,053.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.