Finding the Fourth Proportional to 19,010,602.72, 26,237,990.63 and 11,170,113.41
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Solution
The fourth proportional to 19,010,602.72, 26,237,990.63 and 11,170,113.41 is: 15,416,730.09
Step by Step Solution
- Step 1: Write the proportion equation
19,010,602.72 : 26,237,990.63 = 11,170,113.41 : x - Step 2: Convert to fraction form
19,010,602.72/26,237,990.63 = 11,170,113.41/x - Step 3: Cross multiply
19,010,602.72x = 26,237,990.63 × 11,170,113.41 - Step 4: Simplify right side
19,010,602.72x = 293,081,330,987,617.31 - Step 5: Solve for x
x = 293,081,330,987,617.31/19,010,602.72 - Step 6: Final answer
x = 15,416,730.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.