Finding the Fourth Proportional to 13,305,574.44, 19,960,823.40 and 4,209,961.68
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Solution
The fourth proportional to 13,305,574.44, 19,960,823.40 and 4,209,961.68 is: 6,315,721.43
Step by Step Solution
- Step 1: Write the proportion equation
13,305,574.44 : 19,960,823.40 = 4,209,961.68 : x - Step 2: Convert to fraction form
13,305,574.44/19,960,823.40 = 4,209,961.68/x - Step 3: Cross multiply
13,305,574.44x = 19,960,823.40 × 4,209,961.68 - Step 4: Simplify right side
13,305,574.44x = 84,034,301,615,247.30 - Step 5: Solve for x
x = 84,034,301,615,247.30/13,305,574.44 - Step 6: Final answer
x = 6,315,721.43
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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.