Finding the Fourth Proportional to 13,803,432.06, 19,046,495.97 and 8,001,080.58
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Solution
The fourth proportional to 13,803,432.06, 19,046,495.97 and 8,001,080.58 is: 11,040,192.64
Step by Step Solution
- Step 1: Write the proportion equation
13,803,432.06 : 19,046,495.97 = 8,001,080.58 : x - Step 2: Convert to fraction form
13,803,432.06/19,046,495.97 = 8,001,080.58/x - Step 3: Cross multiply
13,803,432.06x = 19,046,495.97 × 8,001,080.58 - Step 4: Simplify right side
13,803,432.06x = 152,392,549,022,615.25 - Step 5: Solve for x
x = 152,392,549,022,615.25/13,803,432.06 - Step 6: Final answer
x = 11,040,192.64
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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.