Finding the Fourth Proportional to 11,487,776.05, 15,855,483.41 and 6,844,281.29
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Solution
The fourth proportional to 11,487,776.05, 15,855,483.41 and 6,844,281.29 is: 9,446,509.75
Step by Step Solution
- Step 1: Write the proportion equation
11,487,776.05 : 15,855,483.41 = 6,844,281.29 : x - Step 2: Convert to fraction form
11,487,776.05/15,855,483.41 = 6,844,281.29/x - Step 3: Cross multiply
11,487,776.05x = 15,855,483.41 × 6,844,281.29 - Step 4: Simplify right side
11,487,776.05x = 108,519,388,446,968.41 - Step 5: Solve for x
x = 108,519,388,446,968.41/11,487,776.05 - Step 6: Final answer
x = 9,446,509.75
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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.