Finding the Fourth Proportional to 15,058,129.84, 20,780,203.28 and 8,182,595.44
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Solution
The fourth proportional to 15,058,129.84, 20,780,203.28 and 8,182,595.44 is: 11,291,973.07
Step by Step Solution
- Step 1: Write the proportion equation
15,058,129.84 : 20,780,203.28 = 8,182,595.44 : x - Step 2: Convert to fraction form
15,058,129.84/20,780,203.28 = 8,182,595.44/x - Step 3: Cross multiply
15,058,129.84x = 20,780,203.28 × 8,182,595.44 - Step 4: Simplify right side
15,058,129.84x = 170,035,996,601,201.06 - Step 5: Solve for x
x = 170,035,996,601,201.06/15,058,129.84 - Step 6: Final answer
x = 11,291,973.07
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1.5x scale
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.