Finding the Fourth Proportional to 10,387,467.98, 15,582,006.23 and 3,470,971.23
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Solution
The fourth proportional to 10,387,467.98, 15,582,006.23 and 3,470,971.23 is: 5,206,725.59
Step by Step Solution
- Step 1: Write the proportion equation
10,387,467.98 : 15,582,006.23 = 3,470,971.23 : x - Step 2: Convert to fraction form
10,387,467.98/15,582,006.23 = 3,470,971.23/x - Step 3: Cross multiply
10,387,467.98x = 15,582,006.23 × 3,470,971.23 - Step 4: Simplify right side
10,387,467.98x = 54,084,695,312,655.91 - Step 5: Solve for x
x = 54,084,695,312,655.91/10,387,467.98 - Step 6: Final answer
x = 5,206,725.59
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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.