Finding the Fourth Proportional to 19,617,406.44, 29,430,345.06 and 5,971,619.88
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Solution
The fourth proportional to 19,617,406.44, 29,430,345.06 and 5,971,619.88 is: 8,958,719.09
Step by Step Solution
- Step 1: Write the proportion equation
19,617,406.44 : 29,430,345.06 = 5,971,619.88 : x - Step 2: Convert to fraction form
19,617,406.44/29,430,345.06 = 5,971,619.88/x - Step 3: Cross multiply
19,617,406.44x = 29,430,345.06 × 5,971,619.88 - Step 4: Simplify right side
19,617,406.44x = 175,746,833,635,555.78 - Step 5: Solve for x
x = 175,746,833,635,555.78/19,617,406.44 - Step 6: Final answer
x = 8,958,719.09
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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.