Finding the Fourth Proportional to 9,345,186, 12,896,281.62 and 5,425,305.84
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Solution
The fourth proportional to 9,345,186, 12,896,281.62 and 5,425,305.84 is: 7,486,878.48
Step by Step Solution
- Step 1: Write the proportion equation
9,345,186 : 12,896,281.62 = 5,425,305.84 : x - Step 2: Convert to fraction form
9,345,186/12,896,281.62 = 5,425,305.84/x - Step 3: Cross multiply
9,345,186x = 12,896,281.62 × 5,425,305.84 - Step 4: Simplify right side
9,345,186x = 69,966,271,987,270.66 - Step 5: Solve for x
x = 69,966,271,987,270.66/9,345,186 - Step 6: Final answer
x = 7,486,878.48
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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.