Finding the Fourth Proportional to 19,027,331.32, 26,257,735.02 and 10,878,739.96
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Solution
The fourth proportional to 19,027,331.32, 26,257,735.02 and 10,878,739.96 is: 15,012,671.32
Step by Step Solution
- Step 1: Write the proportion equation
19,027,331.32 : 26,257,735.02 = 10,878,739.96 : x - Step 2: Convert to fraction form
19,027,331.32/26,257,735.02 = 10,878,739.96/x - Step 3: Cross multiply
19,027,331.32x = 26,257,735.02 × 10,878,739.96 - Step 4: Simplify right side
19,027,331.32x = 285,651,071,221,165.44 - Step 5: Solve for x
x = 285,651,071,221,165.44/19,027,331.32 - Step 6: Final answer
x = 15,012,671.32
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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.